353143340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{1999}}^1$

素因数の和:2103

約数の個数: 72

約数和(自身を含む): 826728000

約数和(自身を除く): 473584660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 121, 146, 220, 242, 292, 365, 484, 605, 730, 803, 1210, 1460, 1606, 1999, 2420, 3212, 3998, 4015, 7996, 8030, 8833, 9995, 16060, 17666, 19990, 21989, 35332, 39980, 43978, 44165, 87956, 88330, 109945, 145927, 176660, 219890, 241879, 291854, 439780, 483758, 583708, 729635, 967516, 1209395, 1459270, 1605197, 2418790, 2918540, 3210394, 4837580, 6420788, 8025985, 16051970, 17657167, 32103940, 35314334, 70628668, 88285835, 176571670, 353143340]

約数ペア:

[(1, 353143340), (2, 176571670), (4, 88285835), (5, 70628668), (10, 35314334), (11, 32103940), (20, 17657167), (22, 16051970), (44, 8025985), (55, 6420788), (73, 4837580), (110, 3210394), (121, 2918540), (146, 2418790), (220, 1605197), (242, 1459270), (292, 1209395), (365, 967516), (484, 729635), (605, 583708), (730, 483758), (803, 439780), (1210, 291854), (1460, 241879), (1606, 219890), (1999, 176660), (2420, 145927), (3212, 109945), (3998, 88330), (4015, 87956), (7996, 44165), (8030, 43978), (8833, 39980), (9995, 35332), (16060, 21989), (17666, 19990)]