278316190

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1\times {\mathrm{1723}}^1$

素因数の和:2316

約数の個数: 32

約数和(自身を含む): 519475680

約数和(自身を除く): 241159490

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 557, 1114, 1723, 2785, 3446, 5570, 8615, 16153, 17230, 32306, 49967, 80765, 99934, 161530, 249835, 499670, 959711, 1919422, 4798555, 9597110, 27831619, 55663238, 139158095, 278316190]

約数ペア:

[(1, 278316190), (2, 139158095), (5, 55663238), (10, 27831619), (29, 9597110), (58, 4798555), (145, 1919422), (290, 959711), (557, 499670), (1114, 249835), (1723, 161530), (2785, 99934), (3446, 80765), (5570, 49967), (8615, 32306), (16153, 17230)]