6440500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{1171}}^1$

素因数の和:1201

約数の個数: 48

約数和(自身を含む): 15357888

約数和(自身を除く): 8917388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 1100, 1171, 1375, 2342, 2750, 4684, 5500, 5855, 11710, 12881, 23420, 25762, 29275, 51524, 58550, 64405, 117100, 128810, 146375, 257620, 292750, 322025, 585500, 644050, 1288100, 1610125, 3220250, 6440500]

約数ペア:

[(1, 6440500), (2, 3220250), (4, 1610125), (5, 1288100), (10, 644050), (11, 585500), (20, 322025), (22, 292750), (25, 257620), (44, 146375), (50, 128810), (55, 117100), (100, 64405), (110, 58550), (125, 51524), (220, 29275), (250, 25762), (275, 23420), (500, 12881), (550, 11710), (1100, 5855), (1171, 5500), (1375, 4684), (2342, 2750)]