393934360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{1181}}^1$

素因数の和:1492

約数の個数: 64

約数和(自身を含む): 919123200

約数和(自身を除く): 525188840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 269, 310, 538, 620, 1076, 1181, 1240, 1345, 2152, 2362, 2690, 4724, 5380, 5905, 8339, 9448, 10760, 11810, 16678, 23620, 33356, 36611, 41695, 47240, 66712, 73222, 83390, 146444, 166780, 183055, 292888, 317689, 333560, 366110, 635378, 732220, 1270756, 1464440, 1588445, 2541512, 3176890, 6353780, 9848359, 12707560, 19696718, 39393436, 49241795, 78786872, 98483590, 196967180, 393934360]

約数ペア:

[(1, 393934360), (2, 196967180), (4, 98483590), (5, 78786872), (8, 49241795), (10, 39393436), (20, 19696718), (31, 12707560), (40, 9848359), (62, 6353780), (124, 3176890), (155, 2541512), (248, 1588445), (269, 1464440), (310, 1270756), (538, 732220), (620, 635378), (1076, 366110), (1181, 333560), (1240, 317689), (1345, 292888), (2152, 183055), (2362, 166780), (2690, 146444), (4724, 83390), (5380, 73222), (5905, 66712), (8339, 47240), (9448, 41695), (10760, 36611), (11810, 33356), (16678, 23620)]