84637660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1999}}^1$

素因数の和:2110

約数の個数: 48

約数和(自身を含む): 186480000

約数和(自身を除く): 101842340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 730, 1460, 1999, 2117, 3998, 4234, 7996, 8468, 9995, 10585, 19990, 21170, 39980, 42340, 57971, 115942, 145927, 231884, 289855, 291854, 579710, 583708, 729635, 1159420, 1459270, 2918540, 4231883, 8463766, 16927532, 21159415, 42318830, 84637660]

約数ペア:

[(1, 84637660), (2, 42318830), (4, 21159415), (5, 16927532), (10, 8463766), (20, 4231883), (29, 2918540), (58, 1459270), (73, 1159420), (116, 729635), (145, 583708), (146, 579710), (290, 291854), (292, 289855), (365, 231884), (580, 145927), (730, 115942), (1460, 57971), (1999, 42340), (2117, 39980), (3998, 21170), (4234, 19990), (7996, 10585), (8468, 9995)]