374786495

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3989}}^1$

素因数の和:4079

約数の個数: 32

約数和(自身を含む): 505612800

約数和(自身を除く): 130826305

約数列:

[1, 5, 19, 23, 43, 95, 115, 215, 437, 817, 989, 2185, 3989, 4085, 4945, 18791, 19945, 75791, 91747, 93955, 171527, 378955, 458735, 857635, 1743193, 3259013, 3945121, 8715965, 16295065, 19725605, 74957299, 374786495]

約数ペア:

[(1, 374786495), (5, 74957299), (19, 19725605), (23, 16295065), (43, 8715965), (95, 3945121), (115, 3259013), (215, 1743193), (437, 857635), (817, 458735), (989, 378955), (2185, 171527), (3989, 93955), (4085, 91747), (4945, 75791), (18791, 19945)]