319486520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{2579}}^1$

素因数の和:2772

約数の個数: 64

約数和(自身を含む): 761616000

約数和(自身を除く): 442129480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 163, 190, 326, 380, 652, 760, 815, 1304, 1630, 2579, 3097, 3260, 5158, 6194, 6520, 10316, 12388, 12895, 15485, 20632, 24776, 25790, 30970, 49001, 51580, 61940, 98002, 103160, 123880, 196004, 245005, 392008, 420377, 490010, 840754, 980020, 1681508, 1960040, 2101885, 3363016, 4203770, 7987163, 8407540, 15974326, 16815080, 31948652, 39935815, 63897304, 79871630, 159743260, 319486520]

約数ペア:

[(1, 319486520), (2, 159743260), (4, 79871630), (5, 63897304), (8, 39935815), (10, 31948652), (19, 16815080), (20, 15974326), (38, 8407540), (40, 7987163), (76, 4203770), (95, 3363016), (152, 2101885), (163, 1960040), (190, 1681508), (326, 980020), (380, 840754), (652, 490010), (760, 420377), (815, 392008), (1304, 245005), (1630, 196004), (2579, 123880), (3097, 103160), (3260, 98002), (5158, 61940), (6194, 51580), (6520, 49001), (10316, 30970), (12388, 25790), (12895, 24776), (15485, 20632)]