2018380000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1109}}^1$

素因数の和:1159

約数の個数: 240

約数和(自身を含む): 6116916960

約数和(自身を除く): 4098536960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 125, 130, 140, 160, 175, 182, 200, 208, 224, 250, 260, 280, 325, 350, 364, 400, 416, 455, 500, 520, 560, 625, 650, 700, 728, 800, 875, 910, 1000, 1040, 1109, 1120, 1250, 1300, 1400, 1456, 1625, 1750, 1820, 2000, 2080, 2218, 2275, 2500, 2600, 2800, 2912, 3250, 3500, 3640, 4000, 4375, 4436, 4550, 5000, 5200, 5545, 5600, 6500, 7000, 7280, 7763, 8125, 8750, 8872, 9100, 10000, 10400, 11090, 11375, 13000, 14000, 14417, 14560, 15526, 16250, 17500, 17744, 18200, 20000, 22180, 22750, 26000, 27725, 28000, 28834, 31052, 32500, 35000, 35488, 36400, 38815, 44360, 45500, 52000, 55450, 56875, 57668, 62104, 65000, 70000, 72085, 72800, 77630, 88720, 91000, 100919, 110900, 113750, 115336, 124208, 130000, 138625, 140000, 144170, 155260, 177440, 182000, 194075, 201838, 221800, 227500, 230672, 248416, 260000, 277250, 288340, 310520, 360425, 364000, 388150, 403676, 443600, 455000, 461344, 504595, 554500, 576680, 621040, 693125, 720850, 776300, 807352, 887200, 910000, 970375, 1009190, 1109000, 1153360, 1242080, 1386250, 1441700, 1552600, 1614704, 1802125, 1820000, 1940750, 2018380, 2218000, 2306720, 2522975, 2772500, 2883400, 3105200, 3229408, 3604250, 3881500, 4036760, 4436000, 4851875, 5045950, 5545000, 5766800, 6210400, 7208500, 7763000, 8073520, 9010625, 9703750, 10091900, 11090000, 11533600, 12614875, 14417000, 15526000, 16147040, 18021250, 19407500, 20183800, 22180000, 25229750, 28834000, 31052000, 36042500, 38815000, 40367600, 50459500, 57668000, 63074375, 72085000, 77630000, 80735200, 100919000, 126148750, 144170000, 155260000, 201838000, 252297500, 288340000, 403676000, 504595000, 1009190000, 2018380000]

約数ペア:

[(1, 2018380000), (2, 1009190000), (4, 504595000), (5, 403676000), (7, 288340000), (8, 252297500), (10, 201838000), (13, 155260000), (14, 144170000), (16, 126148750), (20, 100919000), (25, 80735200), (26, 77630000), (28, 72085000), (32, 63074375), (35, 57668000), (40, 50459500), (50, 40367600), (52, 38815000), (56, 36042500), (65, 31052000), (70, 28834000), (80, 25229750), (91, 22180000), (100, 20183800), (104, 19407500), (112, 18021250), (125, 16147040), (130, 15526000), (140, 14417000), (160, 12614875), (175, 11533600), (182, 11090000), (200, 10091900), (208, 9703750), (224, 9010625), (250, 8073520), (260, 7763000), (280, 7208500), (325, 6210400), (350, 5766800), (364, 5545000), (400, 5045950), (416, 4851875), (455, 4436000), (500, 4036760), (520, 3881500), (560, 3604250), (625, 3229408), (650, 3105200), (700, 2883400), (728, 2772500), (800, 2522975), (875, 2306720), (910, 2218000), (1000, 2018380), (1040, 1940750), (1109, 1820000), (1120, 1802125), (1250, 1614704), (1300, 1552600), (1400, 1441700), (1456, 1386250), (1625, 1242080), (1750, 1153360), (1820, 1109000), (2000, 1009190), (2080, 970375), (2218, 910000), (2275, 887200), (2500, 807352), (2600, 776300), (2800, 720850), (2912, 693125), (3250, 621040), (3500, 576680), (3640, 554500), (4000, 504595), (4375, 461344), (4436, 455000), (4550, 443600), (5000, 403676), (5200, 388150), (5545, 364000), (5600, 360425), (6500, 310520), (7000, 288340), (7280, 277250), (7763, 260000), (8125, 248416), (8750, 230672), (8872, 227500), (9100, 221800), (10000, 201838), (10400, 194075), (11090, 182000), (11375, 177440), (13000, 155260), (14000, 144170), (14417, 140000), (14560, 138625), (15526, 130000), (16250, 124208), (17500, 115336), (17744, 113750), (18200, 110900), (20000, 100919), (22180, 91000), (22750, 88720), (26000, 77630), (27725, 72800), (28000, 72085), (28834, 70000), (31052, 65000), (32500, 62104), (35000, 57668), (35488, 56875), (36400, 55450), (38815, 52000), (44360, 45500)]