21915697250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1789}}^1\times {\mathrm{2579}}^1$

素因数の和:4404

約数の個数: 64

約数和(自身を含む): 43226352000

約数和(自身を除く): 21310654750

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 1789, 2375, 2579, 3578, 4750, 5158, 8945, 12895, 17890, 25790, 33991, 44725, 49001, 64475, 67982, 89450, 98002, 128950, 169955, 223625, 245005, 322375, 339910, 447250, 490010, 644750, 849775, 1225025, 1699550, 2450050, 4248875, 4613831, 6125125, 8497750, 9227662, 12250250, 23069155, 46138310, 87662789, 115345775, 175325578, 230691550, 438313945, 576728875, 876627890, 1153457750, 2191569725, 4383139450, 10957848625, 21915697250]

約数ペア:

[(1, 21915697250), (2, 10957848625), (5, 4383139450), (10, 2191569725), (19, 1153457750), (25, 876627890), (38, 576728875), (50, 438313945), (95, 230691550), (125, 175325578), (190, 115345775), (250, 87662789), (475, 46138310), (950, 23069155), (1789, 12250250), (2375, 9227662), (2579, 8497750), (3578, 6125125), (4750, 4613831), (5158, 4248875), (8945, 2450050), (12895, 1699550), (17890, 1225025), (25790, 849775), (33991, 644750), (44725, 490010), (49001, 447250), (64475, 339910), (67982, 322375), (89450, 245005), (98002, 223625), (128950, 169955)]