4477640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 10920960

約数和(自身を除く): 6443320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 157, 184, 230, 248, 310, 314, 460, 620, 628, 713, 785, 920, 1240, 1256, 1426, 1570, 2852, 3140, 3565, 3611, 4867, 5704, 6280, 7130, 7222, 9734, 14260, 14444, 18055, 19468, 24335, 28520, 28888, 36110, 38936, 48670, 72220, 97340, 111941, 144440, 194680, 223882, 447764, 559705, 895528, 1119410, 2238820, 4477640]

約数ペア:

[(1, 4477640), (2, 2238820), (4, 1119410), (5, 895528), (8, 559705), (10, 447764), (20, 223882), (23, 194680), (31, 144440), (40, 111941), (46, 97340), (62, 72220), (92, 48670), (115, 38936), (124, 36110), (155, 28888), (157, 28520), (184, 24335), (230, 19468), (248, 18055), (310, 14444), (314, 14260), (460, 9734), (620, 7222), (628, 7130), (713, 6280), (785, 5704), (920, 4867), (1240, 3611), (1256, 3565), (1426, 3140), (1570, 2852)]