7298020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 16128000

約数和(自身を除く): 8829980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 149, 155, 158, 298, 310, 316, 395, 596, 620, 745, 790, 1490, 1580, 2449, 2980, 4619, 4898, 9238, 9796, 11771, 12245, 18476, 23095, 23542, 24490, 46190, 47084, 48980, 58855, 92380, 117710, 235420, 364901, 729802, 1459604, 1824505, 3649010, 7298020]

約数ペア:

[(1, 7298020), (2, 3649010), (4, 1824505), (5, 1459604), (10, 729802), (20, 364901), (31, 235420), (62, 117710), (79, 92380), (124, 58855), (149, 48980), (155, 47084), (158, 46190), (298, 24490), (310, 23542), (316, 23095), (395, 18476), (596, 12245), (620, 11771), (745, 9796), (790, 9238), (1490, 4898), (1580, 4619), (2449, 2980)]