344165720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1\times {\mathrm{641}}^1$

素因数の和:1116

約数の個数: 64

約数和(自身を含む): 802448640

約数和(自身を除く): 458282920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 433, 620, 641, 866, 1240, 1282, 1732, 2165, 2564, 3205, 3464, 4330, 5128, 6410, 8660, 12820, 13423, 17320, 19871, 25640, 26846, 39742, 53692, 67115, 79484, 99355, 107384, 134230, 158968, 198710, 268460, 277553, 397420, 536920, 555106, 794840, 1110212, 1387765, 2220424, 2775530, 5551060, 8604143, 11102120, 17208286, 34416572, 43020715, 68833144, 86041430, 172082860, 344165720]

約数ペア:

[(1, 344165720), (2, 172082860), (4, 86041430), (5, 68833144), (8, 43020715), (10, 34416572), (20, 17208286), (31, 11102120), (40, 8604143), (62, 5551060), (124, 2775530), (155, 2220424), (248, 1387765), (310, 1110212), (433, 794840), (620, 555106), (641, 536920), (866, 397420), (1240, 277553), (1282, 268460), (1732, 198710), (2165, 158968), (2564, 134230), (3205, 107384), (3464, 99355), (4330, 79484), (5128, 67115), (6410, 53692), (8660, 39742), (12820, 26846), (13423, 25640), (17320, 19871)]