9712990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 21542400

約数和(自身を除く): 11829410

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 67, 70, 95, 109, 133, 134, 190, 218, 266, 335, 469, 545, 665, 670, 763, 938, 1090, 1273, 1330, 1526, 2071, 2345, 2546, 3815, 4142, 4690, 6365, 7303, 7630, 8911, 10355, 12730, 14497, 14606, 17822, 20710, 28994, 36515, 44555, 51121, 72485, 73030, 89110, 102242, 138757, 144970, 255605, 277514, 511210, 693785, 971299, 1387570, 1942598, 4856495, 9712990]

約数ペア:

[(1, 9712990), (2, 4856495), (5, 1942598), (7, 1387570), (10, 971299), (14, 693785), (19, 511210), (35, 277514), (38, 255605), (67, 144970), (70, 138757), (95, 102242), (109, 89110), (133, 73030), (134, 72485), (190, 51121), (218, 44555), (266, 36515), (335, 28994), (469, 20710), (545, 17822), (665, 14606), (670, 14497), (763, 12730), (938, 10355), (1090, 8911), (1273, 7630), (1330, 7303), (1526, 6365), (2071, 4690), (2345, 4142), (2546, 3815)]