271561240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{219001}}^1$

素因数の和:219043

約数の個数: 32

約数和(自身を含む): 630725760

約数和(自身を除く): 359164520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 219001, 438002, 876004, 1095005, 1752008, 2190010, 4380020, 6789031, 8760040, 13578062, 27156124, 33945155, 54312248, 67890310, 135780620, 271561240]

約数ペア:

[(1, 271561240), (2, 135780620), (4, 67890310), (5, 54312248), (8, 33945155), (10, 27156124), (20, 13578062), (31, 8760040), (40, 6789031), (62, 4380020), (124, 2190010), (155, 1752008), (248, 1095005), (310, 876004), (620, 438002), (1240, 219001)]