6660220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 16164288

約数和(自身を除く): 9504068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 421, 452, 565, 791, 842, 1130, 1582, 1684, 2105, 2260, 2947, 3164, 3955, 4210, 5894, 7910, 8420, 11788, 14735, 15820, 29470, 47573, 58940, 95146, 190292, 237865, 333011, 475730, 666022, 951460, 1332044, 1665055, 3330110, 6660220]

約数ペア:

[(1, 6660220), (2, 3330110), (4, 1665055), (5, 1332044), (7, 951460), (10, 666022), (14, 475730), (20, 333011), (28, 237865), (35, 190292), (70, 95146), (113, 58940), (140, 47573), (226, 29470), (421, 15820), (452, 14735), (565, 11788), (791, 8420), (842, 7910), (1130, 5894), (1582, 4210), (1684, 3955), (2105, 3164), (2260, 2947)]