6980687500

素因数分解:

$2^2\times 5^6\times {\mathrm{61}}^1\times {\mathrm{1831}}^1$

素因数の和:1926

約数の個数: 84

約数和(自身を含む): 15528863728

約数和(自身を除く): 8548176228

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 244, 250, 305, 500, 610, 625, 1220, 1250, 1525, 1831, 2500, 3050, 3125, 3662, 6100, 6250, 7324, 7625, 9155, 12500, 15250, 15625, 18310, 30500, 31250, 36620, 38125, 45775, 62500, 76250, 91550, 111691, 152500, 183100, 190625, 223382, 228875, 381250, 446764, 457750, 558455, 762500, 915500, 953125, 1116910, 1144375, 1906250, 2233820, 2288750, 2792275, 3812500, 4577500, 5584550, 5721875, 11169100, 11443750, 13961375, 22887500, 27922750, 28609375, 55845500, 57218750, 69806875, 114437500, 139613750, 279227500, 349034375, 698068750, 1396137500, 1745171875, 3490343750, 6980687500]

約数ペア:

[(1, 6980687500), (2, 3490343750), (4, 1745171875), (5, 1396137500), (10, 698068750), (20, 349034375), (25, 279227500), (50, 139613750), (61, 114437500), (100, 69806875), (122, 57218750), (125, 55845500), (244, 28609375), (250, 27922750), (305, 22887500), (500, 13961375), (610, 11443750), (625, 11169100), (1220, 5721875), (1250, 5584550), (1525, 4577500), (1831, 3812500), (2500, 2792275), (3050, 2288750), (3125, 2233820), (3662, 1906250), (6100, 1144375), (6250, 1116910), (7324, 953125), (7625, 915500), (9155, 762500), (12500, 558455), (15250, 457750), (15625, 446764), (18310, 381250), (30500, 228875), (31250, 223382), (36620, 190625), (38125, 183100), (45775, 152500), (62500, 111691), (76250, 91550)]