2688890210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1\times {\mathrm{991}}^1$

素因数の和:1319

約数の個数: 64

約数和(自身を含む): 5183668224

約数和(自身を除く): 2494778014

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 251, 470, 502, 991, 1081, 1255, 1982, 2162, 2510, 4955, 5405, 5773, 9910, 10810, 11546, 11797, 22793, 23594, 28865, 45586, 46577, 57730, 58985, 93154, 113965, 117970, 227930, 232885, 248741, 271331, 465770, 497482, 542662, 1071271, 1243705, 1356655, 2142542, 2487410, 2713310, 5356355, 5721043, 10712710, 11442086, 11690827, 23381654, 28605215, 57210430, 58454135, 116908270, 268889021, 537778042, 1344445105, 2688890210]

約数ペア:

[(1, 2688890210), (2, 1344445105), (5, 537778042), (10, 268889021), (23, 116908270), (46, 58454135), (47, 57210430), (94, 28605215), (115, 23381654), (230, 11690827), (235, 11442086), (251, 10712710), (470, 5721043), (502, 5356355), (991, 2713310), (1081, 2487410), (1255, 2142542), (1982, 1356655), (2162, 1243705), (2510, 1071271), (4955, 542662), (5405, 497482), (5773, 465770), (9910, 271331), (10810, 248741), (11546, 232885), (11797, 227930), (22793, 117970), (23594, 113965), (28865, 93154), (45586, 58985), (46577, 57730)]