30150820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{761}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 72713088

約数和(自身を除く): 42562268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283, 566, 761, 1132, 1415, 1522, 1981, 2830, 3044, 3805, 3962, 5327, 5660, 7610, 7924, 9905, 10654, 15220, 19810, 21308, 26635, 39620, 53270, 106540, 215363, 430726, 861452, 1076815, 1507541, 2153630, 3015082, 4307260, 6030164, 7537705, 15075410, 30150820]

約数ペア:

[(1, 30150820), (2, 15075410), (4, 7537705), (5, 6030164), (7, 4307260), (10, 3015082), (14, 2153630), (20, 1507541), (28, 1076815), (35, 861452), (70, 430726), (140, 215363), (283, 106540), (566, 53270), (761, 39620), (1132, 26635), (1415, 21308), (1522, 19810), (1981, 15220), (2830, 10654), (3044, 9905), (3805, 7924), (3962, 7610), (5327, 5660)]