166777017980

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{557}}^1\times {\mathrm{33343}}^1$

素因数の和:34358

約数の個数: 48

約数和(自身を含む): 351652492800

約数和(自身を除く): 184875474820

約数列:

[1, 2, 4, 5, 10, 20, 449, 557, 898, 1114, 1796, 2228, 2245, 2785, 4490, 5570, 8980, 11140, 33343, 66686, 133372, 166715, 250093, 333430, 500186, 666860, 1000372, 1250465, 2500930, 5001860, 14971007, 18572051, 29942014, 37144102, 59884028, 74288204, 74855035, 92860255, 149710070, 185720510, 299420140, 371441020, 8338850899, 16677701798, 33355403596, 41694254495, 83388508990, 166777017980]

約数ペア:

[(1, 166777017980), (2, 83388508990), (4, 41694254495), (5, 33355403596), (10, 16677701798), (20, 8338850899), (449, 371441020), (557, 299420140), (898, 185720510), (1114, 149710070), (1796, 92860255), (2228, 74855035), (2245, 74288204), (2785, 59884028), (4490, 37144102), (5570, 29942014), (8980, 18572051), (11140, 14971007), (33343, 5001860), (66686, 2500930), (133372, 1250465), (166715, 1000372), (250093, 666860), (333430, 500186)]