397710970

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1\times {\mathrm{797}}^1$

素因数の和:1302

約数の個数: 32

約数和(自身を含む): 723945600

約数和(自身を除く): 326234630

約数列:

[1, 2, 5, 10, 139, 278, 359, 695, 718, 797, 1390, 1594, 1795, 3590, 3985, 7970, 49901, 99802, 110783, 221566, 249505, 286123, 499010, 553915, 572246, 1107830, 1430615, 2861230, 39771097, 79542194, 198855485, 397710970]

約数ペア:

[(1, 397710970), (2, 198855485), (5, 79542194), (10, 39771097), (139, 2861230), (278, 1430615), (359, 1107830), (695, 572246), (718, 553915), (797, 499010), (1390, 286123), (1594, 249505), (1795, 221566), (3590, 110783), (3985, 99802), (7970, 49901)]