15889970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 29862000

約数和(自身を除く): 13972030

約数列:

[1, 2, 5, 10, 29, 58, 145, 157, 290, 314, 349, 698, 785, 1570, 1745, 3490, 4553, 9106, 10121, 20242, 22765, 45530, 50605, 54793, 101210, 109586, 273965, 547930, 1588997, 3177994, 7944985, 15889970]

約数ペア:

[(1, 15889970), (2, 7944985), (5, 3177994), (10, 1588997), (29, 547930), (58, 273965), (145, 109586), (157, 101210), (290, 54793), (314, 50605), (349, 45530), (698, 22765), (785, 20242), (1570, 10121), (1745, 9106), (3490, 4553)]