727636340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{9241}}^1$

素因数の和:9408

約数の個数: 48

約数和(自身を含む): 1589919744

約数和(自身を除く): 862283404

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 508, 620, 635, 1270, 2540, 3937, 7874, 9241, 15748, 18482, 19685, 36964, 39370, 46205, 78740, 92410, 184820, 286471, 572942, 1145884, 1173607, 1432355, 2347214, 2864710, 4694428, 5729420, 5868035, 11736070, 23472140, 36381817, 72763634, 145527268, 181909085, 363818170, 727636340]

約数ペア:

[(1, 727636340), (2, 363818170), (4, 181909085), (5, 145527268), (10, 72763634), (20, 36381817), (31, 23472140), (62, 11736070), (124, 5868035), (127, 5729420), (155, 4694428), (254, 2864710), (310, 2347214), (508, 1432355), (620, 1173607), (635, 1145884), (1270, 572942), (2540, 286471), (3937, 184820), (7874, 92410), (9241, 78740), (15748, 46205), (18482, 39370), (19685, 36964)]