138689970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{757}}^1$

素因数の和:995

約数の個数: 64

約数和(自身を含む): 345793536

約数和(自身を除く): 207103566

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 197, 310, 394, 465, 591, 757, 930, 985, 1182, 1514, 1970, 2271, 2955, 3785, 4542, 5910, 6107, 7570, 11355, 12214, 18321, 22710, 23467, 30535, 36642, 46934, 61070, 70401, 91605, 117335, 140802, 149129, 183210, 234670, 298258, 352005, 447387, 704010, 745645, 894774, 1491290, 2236935, 4473870, 4622999, 9245998, 13868997, 23114995, 27737994, 46229990, 69344985, 138689970]

約数ペア:

[(1, 138689970), (2, 69344985), (3, 46229990), (5, 27737994), (6, 23114995), (10, 13868997), (15, 9245998), (30, 4622999), (31, 4473870), (62, 2236935), (93, 1491290), (155, 894774), (186, 745645), (197, 704010), (310, 447387), (394, 352005), (465, 298258), (591, 234670), (757, 183210), (930, 149129), (985, 140802), (1182, 117335), (1514, 91605), (1970, 70401), (2271, 61070), (2955, 46934), (3785, 36642), (4542, 30535), (5910, 23467), (6107, 22710), (7570, 18321), (11355, 12214)]