2732660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 6652800

約数和(自身を除く): 3920140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 149, 262, 298, 524, 596, 655, 745, 917, 1043, 1310, 1490, 1834, 2086, 2620, 2980, 3668, 4172, 4585, 5215, 9170, 10430, 18340, 19519, 20860, 39038, 78076, 97595, 136633, 195190, 273266, 390380, 546532, 683165, 1366330, 2732660]

約数ペア:

[(1, 2732660), (2, 1366330), (4, 683165), (5, 546532), (7, 390380), (10, 273266), (14, 195190), (20, 136633), (28, 97595), (35, 78076), (70, 39038), (131, 20860), (140, 19519), (149, 18340), (262, 10430), (298, 9170), (524, 5215), (596, 4585), (655, 4172), (745, 3668), (917, 2980), (1043, 2620), (1310, 2086), (1490, 1834)]