978039750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{971}}^1$

素因数の和:1087

約数の個数: 128

約数和(自身を含む): 2620200960

約数和(自身を除く): 1642161210

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 79, 85, 102, 125, 150, 158, 170, 237, 250, 255, 375, 395, 425, 474, 510, 750, 790, 850, 971, 1185, 1275, 1343, 1942, 1975, 2125, 2370, 2550, 2686, 2913, 3950, 4029, 4250, 4855, 5826, 5925, 6375, 6715, 8058, 9710, 9875, 11850, 12750, 13430, 14565, 16507, 19750, 20145, 24275, 29130, 29625, 33014, 33575, 40290, 48550, 49521, 59250, 67150, 72825, 76709, 82535, 99042, 100725, 121375, 145650, 153418, 165070, 167875, 201450, 230127, 242750, 247605, 335750, 364125, 383545, 412675, 460254, 495210, 503625, 728250, 767090, 825350, 1007250, 1150635, 1238025, 1304053, 1917725, 2063375, 2301270, 2476050, 2608106, 3835450, 3912159, 4126750, 5753175, 6190125, 6520265, 7824318, 9588625, 11506350, 12380250, 13040530, 19177250, 19560795, 28765875, 32601325, 39121590, 57531750, 65202650, 97803975, 163006625, 195607950, 326013250, 489019875, 978039750]

約数ペア:

[(1, 978039750), (2, 489019875), (3, 326013250), (5, 195607950), (6, 163006625), (10, 97803975), (15, 65202650), (17, 57531750), (25, 39121590), (30, 32601325), (34, 28765875), (50, 19560795), (51, 19177250), (75, 13040530), (79, 12380250), (85, 11506350), (102, 9588625), (125, 7824318), (150, 6520265), (158, 6190125), (170, 5753175), (237, 4126750), (250, 3912159), (255, 3835450), (375, 2608106), (395, 2476050), (425, 2301270), (474, 2063375), (510, 1917725), (750, 1304053), (790, 1238025), (850, 1150635), (971, 1007250), (1185, 825350), (1275, 767090), (1343, 728250), (1942, 503625), (1975, 495210), (2125, 460254), (2370, 412675), (2550, 383545), (2686, 364125), (2913, 335750), (3950, 247605), (4029, 242750), (4250, 230127), (4855, 201450), (5826, 167875), (5925, 165070), (6375, 153418), (6715, 145650), (8058, 121375), (9710, 100725), (9875, 99042), (11850, 82535), (12750, 76709), (13430, 72825), (14565, 67150), (16507, 59250), (19750, 49521), (20145, 48550), (24275, 40290), (29130, 33575), (29625, 33014)]