2011496740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:634

約数の個数: 144

約数和(自身を含む): 4922830080

約数和(自身を除く): 2911333340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 71, 92, 110, 115, 121, 142, 220, 230, 242, 253, 284, 355, 460, 484, 506, 509, 605, 710, 781, 1012, 1018, 1210, 1265, 1420, 1562, 1633, 2036, 2420, 2530, 2545, 2783, 3124, 3266, 3905, 5060, 5090, 5566, 5599, 6532, 7810, 8165, 8591, 10180, 11132, 11198, 11707, 13915, 15620, 16330, 17182, 17963, 22396, 23414, 27830, 27995, 32660, 34364, 35926, 36139, 42955, 46828, 55660, 55990, 58535, 61589, 71852, 72278, 85910, 89815, 111980, 117070, 123178, 128777, 144556, 171820, 179630, 180695, 197593, 234140, 246356, 257554, 307945, 359260, 361390, 395186, 397529, 515108, 615890, 643885, 722780, 790372, 795058, 831197, 987965, 1231780, 1287770, 1416547, 1590116, 1662394, 1975930, 1987645, 2575540, 2833094, 3324788, 3951860, 3975290, 4155985, 4372819, 5666188, 7082735, 7950580, 8311970, 8745638, 9143167, 14165470, 16623940, 17491276, 18286334, 21864095, 28330940, 36572668, 43728190, 45715835, 87456380, 91431670, 100574837, 182863340, 201149674, 402299348, 502874185, 1005748370, 2011496740]

約数ペア:

[(1, 2011496740), (2, 1005748370), (4, 502874185), (5, 402299348), (10, 201149674), (11, 182863340), (20, 100574837), (22, 91431670), (23, 87456380), (44, 45715835), (46, 43728190), (55, 36572668), (71, 28330940), (92, 21864095), (110, 18286334), (115, 17491276), (121, 16623940), (142, 14165470), (220, 9143167), (230, 8745638), (242, 8311970), (253, 7950580), (284, 7082735), (355, 5666188), (460, 4372819), (484, 4155985), (506, 3975290), (509, 3951860), (605, 3324788), (710, 2833094), (781, 2575540), (1012, 1987645), (1018, 1975930), (1210, 1662394), (1265, 1590116), (1420, 1416547), (1562, 1287770), (1633, 1231780), (2036, 987965), (2420, 831197), (2530, 795058), (2545, 790372), (2783, 722780), (3124, 643885), (3266, 615890), (3905, 515108), (5060, 397529), (5090, 395186), (5566, 361390), (5599, 359260), (6532, 307945), (7810, 257554), (8165, 246356), (8591, 234140), (10180, 197593), (11132, 180695), (11198, 179630), (11707, 171820), (13915, 144556), (15620, 128777), (16330, 123178), (17182, 117070), (17963, 111980), (22396, 89815), (23414, 85910), (27830, 72278), (27995, 71852), (32660, 61589), (34364, 58535), (35926, 55990), (36139, 55660), (42955, 46828)]