28546700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3137}}^1$

素因数の和:3171

約数の個数: 72

約数和(自身を含む): 76265952

約数和(自身を除く): 47719252

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 3137, 4550, 6274, 9100, 12548, 15685, 21959, 31370, 40781, 43918, 62740, 78425, 81562, 87836, 109795, 156850, 163124, 203905, 219590, 285467, 313700, 407810, 439180, 548975, 570934, 815620, 1019525, 1097950, 1141868, 1427335, 2039050, 2195900, 2854670, 4078100, 5709340, 7136675, 14273350, 28546700]

約数ペア:

[(1, 28546700), (2, 14273350), (4, 7136675), (5, 5709340), (7, 4078100), (10, 2854670), (13, 2195900), (14, 2039050), (20, 1427335), (25, 1141868), (26, 1097950), (28, 1019525), (35, 815620), (50, 570934), (52, 548975), (65, 439180), (70, 407810), (91, 313700), (100, 285467), (130, 219590), (140, 203905), (175, 163124), (182, 156850), (260, 109795), (325, 87836), (350, 81562), (364, 78425), (455, 62740), (650, 43918), (700, 40781), (910, 31370), (1300, 21959), (1820, 15685), (2275, 12548), (3137, 9100), (4550, 6274)]