198909640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{3413}}^1$

素因数の和:3502

約数の個数: 64

約数和(自身を含む): 471951360

約数和(自身を除く): 273041720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 620, 940, 1240, 1457, 1880, 2914, 3413, 5828, 6826, 7285, 11656, 13652, 14570, 17065, 27304, 29140, 34130, 58280, 68260, 105803, 136520, 160411, 211606, 320822, 423212, 529015, 641644, 802055, 846424, 1058030, 1283288, 1604110, 2116060, 3208220, 4232120, 4972741, 6416440, 9945482, 19890964, 24863705, 39781928, 49727410, 99454820, 198909640]

約数ペア:

[(1, 198909640), (2, 99454820), (4, 49727410), (5, 39781928), (8, 24863705), (10, 19890964), (20, 9945482), (31, 6416440), (40, 4972741), (47, 4232120), (62, 3208220), (94, 2116060), (124, 1604110), (155, 1283288), (188, 1058030), (235, 846424), (248, 802055), (310, 641644), (376, 529015), (470, 423212), (620, 320822), (940, 211606), (1240, 160411), (1457, 136520), (1880, 105803), (2914, 68260), (3413, 58280), (5828, 34130), (6826, 29140), (7285, 27304), (11656, 17065), (13652, 14570)]