171233980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{3557}}^1$

素因数の和:3678

約数の個数: 48

約数和(自身を含む): 376578720

約数和(自身を除く): 205344740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 83, 116, 145, 166, 290, 332, 415, 580, 830, 1660, 2407, 3557, 4814, 7114, 9628, 12035, 14228, 17785, 24070, 35570, 48140, 71140, 103153, 206306, 295231, 412612, 515765, 590462, 1031530, 1180924, 1476155, 2063060, 2952310, 5904620, 8561699, 17123398, 34246796, 42808495, 85616990, 171233980]

約数ペア:

[(1, 171233980), (2, 85616990), (4, 42808495), (5, 34246796), (10, 17123398), (20, 8561699), (29, 5904620), (58, 2952310), (83, 2063060), (116, 1476155), (145, 1180924), (166, 1031530), (290, 590462), (332, 515765), (415, 412612), (580, 295231), (830, 206306), (1660, 103153), (2407, 71140), (3557, 48140), (4814, 35570), (7114, 24070), (9628, 17785), (12035, 14228)]