139026340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 315645120

約数和(自身を除く): 176618780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 289, 335, 340, 359, 578, 670, 718, 1139, 1156, 1340, 1436, 1445, 1795, 2278, 2890, 3590, 4556, 5695, 5780, 6103, 7180, 11390, 12206, 19363, 22780, 24053, 24412, 30515, 38726, 48106, 61030, 77452, 96212, 96815, 103751, 120265, 122060, 193630, 207502, 240530, 387260, 408901, 415004, 481060, 518755, 817802, 1037510, 1635604, 2044505, 2075020, 4089010, 6951317, 8178020, 13902634, 27805268, 34756585, 69513170, 139026340]

約数ペア:

[(1, 139026340), (2, 69513170), (4, 34756585), (5, 27805268), (10, 13902634), (17, 8178020), (20, 6951317), (34, 4089010), (67, 2075020), (68, 2044505), (85, 1635604), (134, 1037510), (170, 817802), (268, 518755), (289, 481060), (335, 415004), (340, 408901), (359, 387260), (578, 240530), (670, 207502), (718, 193630), (1139, 122060), (1156, 120265), (1340, 103751), (1436, 96815), (1445, 96212), (1795, 77452), (2278, 61030), (2890, 48106), (3590, 38726), (4556, 30515), (5695, 24412), (5780, 24053), (6103, 22780), (7180, 19363), (11390, 12206)]