218743258480

素因数分解:

$2^4\times 5^1\times {\mathrm{4211}}^1\times {\mathrm{649321}}^1$

素因数の和:653545

約数の個数: 40

約数和(自身を含む): 508699633104

約数和(自身を除く): 289956374624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4211, 8422, 16844, 21055, 33688, 42110, 67376, 84220, 168440, 336880, 649321, 1298642, 2597284, 3246605, 5194568, 6493210, 10389136, 12986420, 25972840, 51945680, 2734290731, 5468581462, 10937162924, 13671453655, 21874325848, 27342907310, 43748651696, 54685814620, 109371629240, 218743258480]

約数ペア:

[(1, 218743258480), (2, 109371629240), (4, 54685814620), (5, 43748651696), (8, 27342907310), (10, 21874325848), (16, 13671453655), (20, 10937162924), (40, 5468581462), (80, 2734290731), (4211, 51945680), (8422, 25972840), (16844, 12986420), (21055, 10389136), (33688, 6493210), (42110, 5194568), (67376, 3246605), (84220, 2597284), (168440, 1298642), (336880, 649321)]