28803620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{331}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 64142400

約数和(自身を除く): 35338780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 229, 331, 380, 458, 662, 916, 1145, 1324, 1655, 2290, 3310, 4351, 4580, 6289, 6620, 8702, 12578, 17404, 21755, 25156, 31445, 43510, 62890, 75799, 87020, 125780, 151598, 303196, 378995, 757990, 1440181, 1515980, 2880362, 5760724, 7200905, 14401810, 28803620]

約数ペア:

[(1, 28803620), (2, 14401810), (4, 7200905), (5, 5760724), (10, 2880362), (19, 1515980), (20, 1440181), (38, 757990), (76, 378995), (95, 303196), (190, 151598), (229, 125780), (331, 87020), (380, 75799), (458, 62890), (662, 43510), (916, 31445), (1145, 25156), (1324, 21755), (1655, 17404), (2290, 12578), (3310, 8702), (4351, 6620), (4580, 6289)]