287868460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{56891}}^1$

素因数の和:56934

約数の個数: 48

約数和(自身を含む): 688165632

約数和(自身を除く): 400297172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 56891, 113782, 227564, 284455, 568910, 625801, 1137820, 1251602, 1308493, 2503204, 2616986, 3129005, 5233972, 6258010, 6542465, 12516020, 13084930, 14393423, 26169860, 28786846, 57573692, 71967115, 143934230, 287868460]

約数ペア:

[(1, 287868460), (2, 143934230), (4, 71967115), (5, 57573692), (10, 28786846), (11, 26169860), (20, 14393423), (22, 13084930), (23, 12516020), (44, 6542465), (46, 6258010), (55, 5233972), (92, 3129005), (110, 2616986), (115, 2503204), (220, 1308493), (230, 1251602), (253, 1137820), (460, 625801), (506, 568910), (1012, 284455), (1265, 227564), (2530, 113782), (5060, 56891)]