201391720

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{33343}}^1$

素因数の和:33505

約数の個数: 32

約数和(自身を含む): 456145920

約数和(自身を除く): 254754200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 33343, 66686, 133372, 166715, 266744, 333430, 666860, 1333720, 5034793, 10069586, 20139172, 25173965, 40278344, 50347930, 100695860, 201391720]

約数ペア:

[(1, 201391720), (2, 100695860), (4, 50347930), (5, 40278344), (8, 25173965), (10, 20139172), (20, 10069586), (40, 5034793), (151, 1333720), (302, 666860), (604, 333430), (755, 266744), (1208, 166715), (1510, 133372), (3020, 66686), (6040, 33343)]