647575580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{9323}}^1$

素因数の和:9506

約数の個数: 48

約数和(自身を含む): 1428585984

約数和(自身を除く): 781010404

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 151, 230, 302, 460, 604, 755, 1510, 3020, 3473, 6946, 9323, 13892, 17365, 18646, 34730, 37292, 46615, 69460, 93230, 186460, 214429, 428858, 857716, 1072145, 1407773, 2144290, 2815546, 4288580, 5631092, 7038865, 14077730, 28155460, 32378779, 64757558, 129515116, 161893895, 323787790, 647575580]

約数ペア:

[(1, 647575580), (2, 323787790), (4, 161893895), (5, 129515116), (10, 64757558), (20, 32378779), (23, 28155460), (46, 14077730), (92, 7038865), (115, 5631092), (151, 4288580), (230, 2815546), (302, 2144290), (460, 1407773), (604, 1072145), (755, 857716), (1510, 428858), (3020, 214429), (3473, 186460), (6946, 93230), (9323, 69460), (13892, 46615), (17365, 37292), (18646, 34730)]