72003340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{997}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 158945472

約数和(自身を除く): 86942132

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 157, 230, 314, 460, 628, 785, 997, 1570, 1994, 3140, 3611, 3988, 4985, 7222, 9970, 14444, 18055, 19940, 22931, 36110, 45862, 72220, 91724, 114655, 156529, 229310, 313058, 458620, 626116, 782645, 1565290, 3130580, 3600167, 7200334, 14400668, 18000835, 36001670, 72003340]

約数ペア:

[(1, 72003340), (2, 36001670), (4, 18000835), (5, 14400668), (10, 7200334), (20, 3600167), (23, 3130580), (46, 1565290), (92, 782645), (115, 626116), (157, 458620), (230, 313058), (314, 229310), (460, 156529), (628, 114655), (785, 91724), (997, 72220), (1570, 45862), (1994, 36110), (3140, 22931), (3611, 19940), (3988, 18055), (4985, 14444), (7222, 9970)]