15238420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 33763968

約数和(自身を除く): 18525548

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 157, 211, 230, 314, 422, 460, 628, 785, 844, 1055, 1570, 2110, 3140, 3611, 4220, 4853, 7222, 9706, 14444, 18055, 19412, 24265, 33127, 36110, 48530, 66254, 72220, 97060, 132508, 165635, 331270, 662540, 761921, 1523842, 3047684, 3809605, 7619210, 15238420]

約数ペア:

[(1, 15238420), (2, 7619210), (4, 3809605), (5, 3047684), (10, 1523842), (20, 761921), (23, 662540), (46, 331270), (92, 165635), (115, 132508), (157, 97060), (211, 72220), (230, 66254), (314, 48530), (422, 36110), (460, 33127), (628, 24265), (785, 19412), (844, 18055), (1055, 14444), (1570, 9706), (2110, 7222), (3140, 4853), (3611, 4220)]