214423280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{86461}}^1$

素因数の和:86505

約数の個数: 40

約数和(自身を含む): 514621824

約数和(自身を除く): 300198544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 86461, 172922, 345844, 432305, 691688, 864610, 1383376, 1729220, 2680291, 3458440, 5360582, 6916880, 10721164, 13401455, 21442328, 26802910, 42884656, 53605820, 107211640, 214423280]

約数ペア:

[(1, 214423280), (2, 107211640), (4, 53605820), (5, 42884656), (8, 26802910), (10, 21442328), (16, 13401455), (20, 10721164), (31, 6916880), (40, 5360582), (62, 3458440), (80, 2680291), (124, 1729220), (155, 1383376), (248, 864610), (310, 691688), (496, 432305), (620, 345844), (1240, 172922), (2480, 86461)]