446674540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{39953}}^1$

素因数の和:40018

約数の個数: 48

約数和(自身を含む): 1033689888

約数和(自身を除く): 587015348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 39953, 79906, 159812, 199765, 399530, 519389, 799060, 1038778, 1717979, 2077556, 2596945, 3435958, 5193890, 6871916, 8589895, 10387780, 17179790, 22333727, 34359580, 44667454, 89334908, 111668635, 223337270, 446674540]

約数ペア:

[(1, 446674540), (2, 223337270), (4, 111668635), (5, 89334908), (10, 44667454), (13, 34359580), (20, 22333727), (26, 17179790), (43, 10387780), (52, 8589895), (65, 6871916), (86, 5193890), (130, 3435958), (172, 2596945), (215, 2077556), (260, 1717979), (430, 1038778), (559, 799060), (860, 519389), (1118, 399530), (2236, 199765), (2795, 159812), (5590, 79906), (11180, 39953)]