393071320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{5981}}^1$

素因数の和:6076

約数の個数: 64

約数和(自身を含む): 930320640

約数和(自身を除く): 537249320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 310, 424, 530, 620, 1060, 1240, 1643, 2120, 3286, 5981, 6572, 8215, 11962, 13144, 16430, 23924, 29905, 32860, 47848, 59810, 65720, 119620, 185411, 239240, 316993, 370822, 633986, 741644, 927055, 1267972, 1483288, 1584965, 1854110, 2535944, 3169930, 3708220, 6339860, 7416440, 9826783, 12679720, 19653566, 39307132, 49133915, 78614264, 98267830, 196535660, 393071320]

約数ペア:

[(1, 393071320), (2, 196535660), (4, 98267830), (5, 78614264), (8, 49133915), (10, 39307132), (20, 19653566), (31, 12679720), (40, 9826783), (53, 7416440), (62, 6339860), (106, 3708220), (124, 3169930), (155, 2535944), (212, 1854110), (248, 1584965), (265, 1483288), (310, 1267972), (424, 927055), (530, 741644), (620, 633986), (1060, 370822), (1240, 316993), (1643, 239240), (2120, 185411), (3286, 119620), (5981, 65720), (6572, 59810), (8215, 47848), (11962, 32860), (13144, 29905), (16430, 23924)]