385147520

素因数分解:

$2^7\times 5^1\times {\mathrm{733}}^1\times {\mathrm{821}}^1$

素因数の和:1573

約数の個数: 64

約数和(自身を含む): 923122440

約数和(自身を除く): 537974920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 733, 821, 1466, 1642, 2932, 3284, 3665, 4105, 5864, 6568, 7330, 8210, 11728, 13136, 14660, 16420, 23456, 26272, 29320, 32840, 46912, 52544, 58640, 65680, 93824, 105088, 117280, 131360, 234560, 262720, 469120, 525440, 601793, 1203586, 2407172, 3008965, 4814344, 6017930, 9628688, 12035860, 19257376, 24071720, 38514752, 48143440, 77029504, 96286880, 192573760, 385147520]

約数ペア:

[(1, 385147520), (2, 192573760), (4, 96286880), (5, 77029504), (8, 48143440), (10, 38514752), (16, 24071720), (20, 19257376), (32, 12035860), (40, 9628688), (64, 6017930), (80, 4814344), (128, 3008965), (160, 2407172), (320, 1203586), (640, 601793), (733, 525440), (821, 469120), (1466, 262720), (1642, 234560), (2932, 131360), (3284, 117280), (3665, 105088), (4105, 93824), (5864, 65680), (6568, 58640), (7330, 52544), (8210, 46912), (11728, 32840), (13136, 29320), (14660, 26272), (16420, 23456)]