3987620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 10524024

約数和(自身を除く): 6536404

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 313, 364, 455, 490, 626, 637, 910, 980, 1252, 1274, 1565, 1820, 2191, 2548, 3130, 3185, 4069, 4382, 6260, 6370, 8138, 8764, 10955, 12740, 15337, 16276, 20345, 21910, 28483, 30674, 40690, 43820, 56966, 61348, 76685, 81380, 113932, 142415, 153370, 199381, 284830, 306740, 398762, 569660, 797524, 996905, 1993810, 3987620]

約数ペア:

[(1, 3987620), (2, 1993810), (4, 996905), (5, 797524), (7, 569660), (10, 398762), (13, 306740), (14, 284830), (20, 199381), (26, 153370), (28, 142415), (35, 113932), (49, 81380), (52, 76685), (65, 61348), (70, 56966), (91, 43820), (98, 40690), (130, 30674), (140, 28483), (182, 21910), (196, 20345), (245, 16276), (260, 15337), (313, 12740), (364, 10955), (455, 8764), (490, 8138), (626, 6370), (637, 6260), (910, 4382), (980, 4069), (1252, 3185), (1274, 3130), (1565, 2548), (1820, 2191)]