30811690

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:732

約数の個数: 64

約数和(自身を含む): 69753600

約数和(自身を除く): 38941910

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 343, 455, 490, 637, 686, 691, 910, 1274, 1382, 1715, 3185, 3430, 3455, 4459, 4837, 6370, 6910, 8918, 8983, 9674, 17966, 22295, 24185, 33859, 44590, 44915, 48370, 62881, 67718, 89830, 125762, 169295, 237013, 314405, 338590, 440167, 474026, 628810, 880334, 1185065, 2200835, 2370130, 3081169, 4401670, 6162338, 15405845, 30811690]

約数ペア:

[(1, 30811690), (2, 15405845), (5, 6162338), (7, 4401670), (10, 3081169), (13, 2370130), (14, 2200835), (26, 1185065), (35, 880334), (49, 628810), (65, 474026), (70, 440167), (91, 338590), (98, 314405), (130, 237013), (182, 169295), (245, 125762), (343, 89830), (455, 67718), (490, 62881), (637, 48370), (686, 44915), (691, 44590), (910, 33859), (1274, 24185), (1382, 22295), (1715, 17966), (3185, 9674), (3430, 8983), (3455, 8918), (4459, 6910), (4837, 6370)]