1439184920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1\times {\mathrm{1637}}^1$

素因数の和:2388

約数の個数: 64

約数和(自身を含む): 3349382400

約数和(自身を除く): 1910197480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 709, 1240, 1418, 1637, 2836, 3274, 3545, 5672, 6548, 7090, 8185, 13096, 14180, 16370, 21979, 28360, 32740, 43958, 50747, 65480, 87916, 101494, 109895, 175832, 202988, 219790, 253735, 405976, 439580, 507470, 879160, 1014940, 1160633, 2029880, 2321266, 4642532, 5803165, 9285064, 11606330, 23212660, 35979623, 46425320, 71959246, 143918492, 179898115, 287836984, 359796230, 719592460, 1439184920]

約数ペア:

[(1, 1439184920), (2, 719592460), (4, 359796230), (5, 287836984), (8, 179898115), (10, 143918492), (20, 71959246), (31, 46425320), (40, 35979623), (62, 23212660), (124, 11606330), (155, 9285064), (248, 5803165), (310, 4642532), (620, 2321266), (709, 2029880), (1240, 1160633), (1418, 1014940), (1637, 879160), (2836, 507470), (3274, 439580), (3545, 405976), (5672, 253735), (6548, 219790), (7090, 202988), (8185, 175832), (13096, 109895), (14180, 101494), (16370, 87916), (21979, 65480), (28360, 50747), (32740, 43958)]