2019062500

素因数分解:

$2^2\times 5^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 192

約数和(自身を含む): 5512485888

約数和(自身を除く): 3493423388

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 71, 91, 100, 125, 130, 140, 142, 175, 182, 250, 260, 284, 325, 350, 355, 364, 455, 497, 500, 625, 650, 700, 710, 875, 910, 923, 994, 1250, 1300, 1420, 1625, 1750, 1775, 1820, 1846, 1988, 2275, 2485, 2500, 3125, 3250, 3500, 3550, 3692, 4375, 4550, 4615, 4970, 6250, 6461, 6500, 7100, 8125, 8750, 8875, 9100, 9230, 9940, 11375, 12425, 12500, 12922, 15625, 16250, 17500, 17750, 18460, 21875, 22750, 23075, 24850, 25844, 31250, 32305, 32500, 35500, 40625, 43750, 44375, 45500, 46150, 49700, 56875, 62125, 62500, 64610, 78125, 81250, 87500, 88750, 92300, 109375, 113750, 115375, 124250, 129220, 156250, 161525, 162500, 177500, 203125, 218750, 221875, 227500, 230750, 248500, 284375, 310625, 312500, 323050, 406250, 437500, 443750, 461500, 546875, 568750, 576875, 621250, 646100, 807625, 812500, 887500, 1015625, 1093750, 1109375, 1137500, 1153750, 1242500, 1421875, 1553125, 1615250, 2031250, 2187500, 2218750, 2307500, 2843750, 2884375, 3106250, 3230500, 4038125, 4062500, 4437500, 5546875, 5687500, 5768750, 6212500, 7109375, 7765625, 8076250, 11093750, 11537500, 14218750, 14421875, 15531250, 16152500, 20190625, 22187500, 28437500, 28843750, 31062500, 38828125, 40381250, 57687500, 72109375, 77656250, 80762500, 100953125, 144218750, 155312500, 201906250, 288437500, 403812500, 504765625, 1009531250, 2019062500]

約数ペア:

[(1, 2019062500), (2, 1009531250), (4, 504765625), (5, 403812500), (7, 288437500), (10, 201906250), (13, 155312500), (14, 144218750), (20, 100953125), (25, 80762500), (26, 77656250), (28, 72109375), (35, 57687500), (50, 40381250), (52, 38828125), (65, 31062500), (70, 28843750), (71, 28437500), (91, 22187500), (100, 20190625), (125, 16152500), (130, 15531250), (140, 14421875), (142, 14218750), (175, 11537500), (182, 11093750), (250, 8076250), (260, 7765625), (284, 7109375), (325, 6212500), (350, 5768750), (355, 5687500), (364, 5546875), (455, 4437500), (497, 4062500), (500, 4038125), (625, 3230500), (650, 3106250), (700, 2884375), (710, 2843750), (875, 2307500), (910, 2218750), (923, 2187500), (994, 2031250), (1250, 1615250), (1300, 1553125), (1420, 1421875), (1625, 1242500), (1750, 1153750), (1775, 1137500), (1820, 1109375), (1846, 1093750), (1988, 1015625), (2275, 887500), (2485, 812500), (2500, 807625), (3125, 646100), (3250, 621250), (3500, 576875), (3550, 568750), (3692, 546875), (4375, 461500), (4550, 443750), (4615, 437500), (4970, 406250), (6250, 323050), (6461, 312500), (6500, 310625), (7100, 284375), (8125, 248500), (8750, 230750), (8875, 227500), (9100, 221875), (9230, 218750), (9940, 203125), (11375, 177500), (12425, 162500), (12500, 161525), (12922, 156250), (15625, 129220), (16250, 124250), (17500, 115375), (17750, 113750), (18460, 109375), (21875, 92300), (22750, 88750), (23075, 87500), (24850, 81250), (25844, 78125), (31250, 64610), (32305, 62500), (32500, 62125), (35500, 56875), (40625, 49700), (43750, 46150), (44375, 45500)]