139019860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{3299}}^1$

素因数の和:3365

約数の個数: 72

約数和(自身を含む): 347608800

約数和(自身を除く): 208588940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2107, 3010, 3299, 4214, 6020, 6598, 8428, 10535, 13196, 16495, 21070, 23093, 32990, 42140, 46186, 65980, 92372, 115465, 141857, 161651, 230930, 283714, 323302, 461860, 567428, 646604, 709285, 808255, 992999, 1418570, 1616510, 1985998, 2837140, 3233020, 3971996, 4964995, 6950993, 9929990, 13901986, 19859980, 27803972, 34754965, 69509930, 139019860]

約数ペア:

[(1, 139019860), (2, 69509930), (4, 34754965), (5, 27803972), (7, 19859980), (10, 13901986), (14, 9929990), (20, 6950993), (28, 4964995), (35, 3971996), (43, 3233020), (49, 2837140), (70, 1985998), (86, 1616510), (98, 1418570), (140, 992999), (172, 808255), (196, 709285), (215, 646604), (245, 567428), (301, 461860), (430, 323302), (490, 283714), (602, 230930), (860, 161651), (980, 141857), (1204, 115465), (1505, 92372), (2107, 65980), (3010, 46186), (3299, 42140), (4214, 32990), (6020, 23093), (6598, 21070), (8428, 16495), (10535, 13196)]