1245704620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1\times {\mathrm{2339}}^1$

素因数の和:3238

約数の個数: 48

約数和(自身を含む): 2704665600

約数和(自身を除く): 1458960980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 859, 1718, 2339, 3436, 4295, 4678, 8590, 9356, 11695, 17180, 23390, 26629, 46780, 53258, 72509, 106516, 133145, 145018, 266290, 290036, 362545, 532580, 725090, 1450180, 2009201, 4018402, 8036804, 10046005, 20092010, 40184020, 62285231, 124570462, 249140924, 311426155, 622852310, 1245704620]

約数ペア:

[(1, 1245704620), (2, 622852310), (4, 311426155), (5, 249140924), (10, 124570462), (20, 62285231), (31, 40184020), (62, 20092010), (124, 10046005), (155, 8036804), (310, 4018402), (620, 2009201), (859, 1450180), (1718, 725090), (2339, 532580), (3436, 362545), (4295, 290036), (4678, 266290), (8590, 145018), (9356, 133145), (11695, 106516), (17180, 72509), (23390, 53258), (26629, 46780)]