28671340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 63387072

約数和(自身を除く): 34715732

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 157, 230, 314, 397, 460, 628, 785, 794, 1570, 1588, 1985, 3140, 3611, 3970, 7222, 7940, 9131, 14444, 18055, 18262, 36110, 36524, 45655, 62329, 72220, 91310, 124658, 182620, 249316, 311645, 623290, 1246580, 1433567, 2867134, 5734268, 7167835, 14335670, 28671340]

約数ペア:

[(1, 28671340), (2, 14335670), (4, 7167835), (5, 5734268), (10, 2867134), (20, 1433567), (23, 1246580), (46, 623290), (92, 311645), (115, 249316), (157, 182620), (230, 124658), (314, 91310), (397, 72220), (460, 62329), (628, 45655), (785, 36524), (794, 36110), (1570, 18262), (1588, 18055), (1985, 14444), (3140, 9131), (3611, 7940), (3970, 7222)]