256136970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{371213}}^1$

素因数の和:371246

約数の個数: 32

約数和(自身を含む): 641457792

約数和(自身を除く): 385320822

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 371213, 742426, 1113639, 1856065, 2227278, 3712130, 5568195, 8537899, 11136390, 17075798, 25613697, 42689495, 51227394, 85378990, 128068485, 256136970]

約数ペア:

[(1, 256136970), (2, 128068485), (3, 85378990), (5, 51227394), (6, 42689495), (10, 25613697), (15, 17075798), (23, 11136390), (30, 8537899), (46, 5568195), (69, 3712130), (115, 2227278), (138, 1856065), (230, 1113639), (345, 742426), (690, 371213)]