18216100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:565

約数の個数: 72

約数和(自身を含む): 46122048

約数和(自身を除く): 27905948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 53, 70, 100, 106, 140, 175, 212, 265, 350, 371, 491, 530, 700, 742, 982, 1060, 1325, 1484, 1855, 1964, 2455, 2650, 3437, 3710, 4910, 5300, 6874, 7420, 9275, 9820, 12275, 13748, 17185, 18550, 24550, 26023, 34370, 37100, 49100, 52046, 68740, 85925, 104092, 130115, 171850, 182161, 260230, 343700, 364322, 520460, 650575, 728644, 910805, 1301150, 1821610, 2602300, 3643220, 4554025, 9108050, 18216100]

約数ペア:

[(1, 18216100), (2, 9108050), (4, 4554025), (5, 3643220), (7, 2602300), (10, 1821610), (14, 1301150), (20, 910805), (25, 728644), (28, 650575), (35, 520460), (50, 364322), (53, 343700), (70, 260230), (100, 182161), (106, 171850), (140, 130115), (175, 104092), (212, 85925), (265, 68740), (350, 52046), (371, 49100), (491, 37100), (530, 34370), (700, 26023), (742, 24550), (982, 18550), (1060, 17185), (1325, 13748), (1484, 12275), (1855, 9820), (1964, 9275), (2455, 7420), (2650, 6874), (3437, 5300), (3710, 4910)]