28447750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 57620160

約数和(自身を除く): 29172410

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 53, 95, 106, 113, 125, 190, 226, 250, 265, 475, 530, 565, 950, 1007, 1130, 1325, 2014, 2147, 2375, 2650, 2825, 4294, 4750, 5035, 5650, 5989, 6625, 10070, 10735, 11978, 13250, 14125, 21470, 25175, 28250, 29945, 50350, 53675, 59890, 107350, 113791, 125875, 149725, 227582, 251750, 268375, 299450, 536750, 568955, 748625, 1137910, 1497250, 2844775, 5689550, 14223875, 28447750]

約数ペア:

[(1, 28447750), (2, 14223875), (5, 5689550), (10, 2844775), (19, 1497250), (25, 1137910), (38, 748625), (50, 568955), (53, 536750), (95, 299450), (106, 268375), (113, 251750), (125, 227582), (190, 149725), (226, 125875), (250, 113791), (265, 107350), (475, 59890), (530, 53675), (565, 50350), (950, 29945), (1007, 28250), (1130, 25175), (1325, 21470), (2014, 14125), (2147, 13250), (2375, 11978), (2650, 10735), (2825, 10070), (4294, 6625), (4750, 5989), (5035, 5650)]