213476680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{144241}}^1$

素因数の和:144289

約数の個数: 32

約数和(自身を含む): 493307640

約数和(自身を除く): 279830960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 144241, 288482, 576964, 721205, 1153928, 1442410, 2884820, 5336917, 5769640, 10673834, 21347668, 26684585, 42695336, 53369170, 106738340, 213476680]

約数ペア:

[(1, 213476680), (2, 106738340), (4, 53369170), (5, 42695336), (8, 26684585), (10, 21347668), (20, 10673834), (37, 5769640), (40, 5336917), (74, 2884820), (148, 1442410), (185, 1153928), (296, 721205), (370, 576964), (740, 288482), (1480, 144241)]