296497640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1523}}^1$

素因数の和:1722

約数の個数: 64

約数和(自身を含む): 693480960

約数和(自身を除く): 396983320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 157, 248, 310, 314, 620, 628, 785, 1240, 1256, 1523, 1570, 3046, 3140, 4867, 6092, 6280, 7615, 9734, 12184, 15230, 19468, 24335, 30460, 38936, 47213, 48670, 60920, 94426, 97340, 188852, 194680, 236065, 239111, 377704, 472130, 478222, 944260, 956444, 1195555, 1888520, 1912888, 2391110, 4782220, 7412441, 9564440, 14824882, 29649764, 37062205, 59299528, 74124410, 148248820, 296497640]

約数ペア:

[(1, 296497640), (2, 148248820), (4, 74124410), (5, 59299528), (8, 37062205), (10, 29649764), (20, 14824882), (31, 9564440), (40, 7412441), (62, 4782220), (124, 2391110), (155, 1912888), (157, 1888520), (248, 1195555), (310, 956444), (314, 944260), (620, 478222), (628, 472130), (785, 377704), (1240, 239111), (1256, 236065), (1523, 194680), (1570, 188852), (3046, 97340), (3140, 94426), (4867, 60920), (6092, 48670), (6280, 47213), (7615, 38936), (9734, 30460), (12184, 24335), (15230, 19468)]