221545510

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{15973}}^1$

素因数の和:16072

約数の個数: 32

約数和(自身を含む): 425547360

約数和(自身を除く): 204001850

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 365, 730, 1387, 2774, 6935, 13870, 15973, 31946, 79865, 159730, 303487, 606974, 1166029, 1517435, 2332058, 3034870, 5830145, 11660290, 22154551, 44309102, 110772755, 221545510]

約数ペア:

[(1, 221545510), (2, 110772755), (5, 44309102), (10, 22154551), (19, 11660290), (38, 5830145), (73, 3034870), (95, 2332058), (146, 1517435), (190, 1166029), (365, 606974), (730, 303487), (1387, 159730), (2774, 79865), (6935, 31946), (13870, 15973)]