9171940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 20385792

約数和(自身を除く): 11213852

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 127, 157, 230, 254, 314, 460, 508, 628, 635, 785, 1270, 1570, 2540, 2921, 3140, 3611, 5842, 7222, 11684, 14444, 14605, 18055, 19939, 29210, 36110, 39878, 58420, 72220, 79756, 99695, 199390, 398780, 458597, 917194, 1834388, 2292985, 4585970, 9171940]

約数ペア:

[(1, 9171940), (2, 4585970), (4, 2292985), (5, 1834388), (10, 917194), (20, 458597), (23, 398780), (46, 199390), (92, 99695), (115, 79756), (127, 72220), (157, 58420), (230, 39878), (254, 36110), (314, 29210), (460, 19939), (508, 18055), (628, 14605), (635, 14444), (785, 11684), (1270, 7222), (1570, 5842), (2540, 3611), (2921, 3140)]