2930120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 7257600

約数和(自身を除く): 4327480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 139, 155, 170, 248, 278, 310, 340, 527, 556, 620, 680, 695, 1054, 1112, 1240, 1390, 2108, 2363, 2635, 2780, 4216, 4309, 4726, 5270, 5560, 8618, 9452, 10540, 11815, 17236, 18904, 21080, 21545, 23630, 34472, 43090, 47260, 73253, 86180, 94520, 146506, 172360, 293012, 366265, 586024, 732530, 1465060, 2930120]

約数ペア:

[(1, 2930120), (2, 1465060), (4, 732530), (5, 586024), (8, 366265), (10, 293012), (17, 172360), (20, 146506), (31, 94520), (34, 86180), (40, 73253), (62, 47260), (68, 43090), (85, 34472), (124, 23630), (136, 21545), (139, 21080), (155, 18904), (170, 17236), (248, 11815), (278, 10540), (310, 9452), (340, 8618), (527, 5560), (556, 5270), (620, 4726), (680, 4309), (695, 4216), (1054, 2780), (1112, 2635), (1240, 2363), (1390, 2108)]