2238820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 5096448

約数和(自身を除く): 2857628

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 157, 230, 310, 314, 460, 620, 628, 713, 785, 1426, 1570, 2852, 3140, 3565, 3611, 4867, 7130, 7222, 9734, 14260, 14444, 18055, 19468, 24335, 36110, 48670, 72220, 97340, 111941, 223882, 447764, 559705, 1119410, 2238820]

約数ペア:

[(1, 2238820), (2, 1119410), (4, 559705), (5, 447764), (10, 223882), (20, 111941), (23, 97340), (31, 72220), (46, 48670), (62, 36110), (92, 24335), (115, 19468), (124, 18055), (155, 14444), (157, 14260), (230, 9734), (310, 7222), (314, 7130), (460, 4867), (620, 3611), (628, 3565), (713, 3140), (785, 2852), (1426, 1570)]