138807890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{587}}^1$

素因数の和:731

約数の個数: 64

約数和(自身を含む): 288054144

約数和(自身を除く): 149246254

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 107, 130, 170, 214, 221, 442, 535, 587, 1070, 1105, 1174, 1391, 1819, 2210, 2782, 2935, 3638, 5870, 6955, 7631, 9095, 9979, 13910, 15262, 18190, 19958, 23647, 38155, 47294, 49895, 62809, 76310, 99790, 118235, 125618, 129727, 236470, 259454, 314045, 628090, 648635, 816517, 1067753, 1297270, 1633034, 2135506, 4082585, 5338765, 8165170, 10677530, 13880789, 27761578, 69403945, 138807890]

約数ペア:

[(1, 138807890), (2, 69403945), (5, 27761578), (10, 13880789), (13, 10677530), (17, 8165170), (26, 5338765), (34, 4082585), (65, 2135506), (85, 1633034), (107, 1297270), (130, 1067753), (170, 816517), (214, 648635), (221, 628090), (442, 314045), (535, 259454), (587, 236470), (1070, 129727), (1105, 125618), (1174, 118235), (1391, 99790), (1819, 76310), (2210, 62809), (2782, 49895), (2935, 47294), (3638, 38155), (5870, 23647), (6955, 19958), (7631, 18190), (9095, 15262), (9979, 13910)]