9898580

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 21591360

約数和(自身を除く): 11692780

約数列:

[1, 2, 4, 5, 10, 20, 67, 83, 89, 134, 166, 178, 268, 332, 335, 356, 415, 445, 670, 830, 890, 1340, 1660, 1780, 5561, 5963, 7387, 11122, 11926, 14774, 22244, 23852, 27805, 29548, 29815, 36935, 55610, 59630, 73870, 111220, 119260, 147740, 494929, 989858, 1979716, 2474645, 4949290, 9898580]

約数ペア:

[(1, 9898580), (2, 4949290), (4, 2474645), (5, 1979716), (10, 989858), (20, 494929), (67, 147740), (83, 119260), (89, 111220), (134, 73870), (166, 59630), (178, 55610), (268, 36935), (332, 29815), (335, 29548), (356, 27805), (415, 23852), (445, 22244), (670, 14774), (830, 11926), (890, 11122), (1340, 7387), (1660, 5963), (1780, 5561)]