207329240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2741}}^1$

素因数の和:2844

約数の個数: 64

約数和(自身を含む): 489611520

約数和(自身を除く): 282282280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1220, 1240, 1891, 2440, 2741, 3782, 5482, 7564, 9455, 10964, 13705, 15128, 18910, 21928, 27410, 37820, 54820, 75640, 84971, 109640, 167201, 169942, 334402, 339884, 424855, 668804, 679768, 836005, 849710, 1337608, 1672010, 1699420, 3344020, 3398840, 5183231, 6688040, 10366462, 20732924, 25916155, 41465848, 51832310, 103664620, 207329240]

約数ペア:

[(1, 207329240), (2, 103664620), (4, 51832310), (5, 41465848), (8, 25916155), (10, 20732924), (20, 10366462), (31, 6688040), (40, 5183231), (61, 3398840), (62, 3344020), (122, 1699420), (124, 1672010), (155, 1337608), (244, 849710), (248, 836005), (305, 679768), (310, 668804), (488, 424855), (610, 339884), (620, 334402), (1220, 169942), (1240, 167201), (1891, 109640), (2440, 84971), (2741, 75640), (3782, 54820), (5482, 37820), (7564, 27410), (9455, 21928), (10964, 18910), (13705, 15128)]