138654890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1399}}^1$

素因数の和:1487

約数の個数: 64

約数和(自身を含む): 293932800

約数和(自身を除く): 155277910

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 53, 55, 85, 106, 110, 170, 187, 265, 374, 530, 583, 901, 935, 1166, 1399, 1802, 1870, 2798, 2915, 4505, 5830, 6995, 9010, 9911, 13990, 15389, 19822, 23783, 30778, 47566, 49555, 74147, 76945, 99110, 118915, 148294, 153890, 237830, 261613, 370735, 523226, 741470, 815617, 1260499, 1308065, 1631234, 2520998, 2616130, 4078085, 6302495, 8156170, 12604990, 13865489, 27730978, 69327445, 138654890]

約数ペア:

[(1, 138654890), (2, 69327445), (5, 27730978), (10, 13865489), (11, 12604990), (17, 8156170), (22, 6302495), (34, 4078085), (53, 2616130), (55, 2520998), (85, 1631234), (106, 1308065), (110, 1260499), (170, 815617), (187, 741470), (265, 523226), (374, 370735), (530, 261613), (583, 237830), (901, 153890), (935, 148294), (1166, 118915), (1399, 99110), (1802, 76945), (1870, 74147), (2798, 49555), (2915, 47566), (4505, 30778), (5830, 23783), (6995, 19822), (9010, 15389), (9911, 13990)]