2821250

素因数分解:

$2^1\times 5^4\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 40

約数和(自身を含む): 5520108

約数和(自身を除く): 2698858

約数列:

[1, 2, 5, 10, 25, 37, 50, 61, 74, 122, 125, 185, 250, 305, 370, 610, 625, 925, 1250, 1525, 1850, 2257, 3050, 4514, 4625, 7625, 9250, 11285, 15250, 22570, 23125, 38125, 46250, 56425, 76250, 112850, 282125, 564250, 1410625, 2821250]

約数ペア:

[(1, 2821250), (2, 1410625), (5, 564250), (10, 282125), (25, 112850), (37, 76250), (50, 56425), (61, 46250), (74, 38125), (122, 23125), (125, 22570), (185, 15250), (250, 11285), (305, 9250), (370, 7625), (610, 4625), (625, 4514), (925, 3050), (1250, 2257), (1525, 1850)]