1900661750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{6571}}^1$

素因数の和:6690

約数の個数: 64

約数和(自身を含む): 3875376960

約数和(自身を除く): 1974715210

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 89, 125, 130, 178, 250, 325, 445, 650, 890, 1157, 1625, 2225, 2314, 3250, 4450, 5785, 6571, 11125, 11570, 13142, 22250, 28925, 32855, 57850, 65710, 85423, 144625, 164275, 170846, 289250, 328550, 427115, 584819, 821375, 854230, 1169638, 1642750, 2135575, 2924095, 4271150, 5848190, 7602647, 10677875, 14620475, 15205294, 21355750, 29240950, 38013235, 73102375, 76026470, 146204750, 190066175, 380132350, 950330875, 1900661750]

約数ペア:

[(1, 1900661750), (2, 950330875), (5, 380132350), (10, 190066175), (13, 146204750), (25, 76026470), (26, 73102375), (50, 38013235), (65, 29240950), (89, 21355750), (125, 15205294), (130, 14620475), (178, 10677875), (250, 7602647), (325, 5848190), (445, 4271150), (650, 2924095), (890, 2135575), (1157, 1642750), (1625, 1169638), (2225, 854230), (2314, 821375), (3250, 584819), (4450, 427115), (5785, 328550), (6571, 289250), (11125, 170846), (11570, 164275), (13142, 144625), (22250, 85423), (28925, 65710), (32855, 57850)]