28297620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:199

約数の個数: 192

約数和(自身を含む): 98784000

約数和(自身を除く): 70486380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 29, 30, 36, 39, 45, 52, 54, 58, 60, 65, 78, 87, 90, 108, 116, 117, 130, 135, 139, 145, 156, 174, 180, 195, 234, 260, 261, 270, 278, 290, 348, 351, 377, 390, 417, 435, 468, 522, 540, 556, 580, 585, 695, 702, 754, 780, 783, 834, 870, 1044, 1131, 1170, 1251, 1305, 1390, 1404, 1508, 1566, 1668, 1740, 1755, 1807, 1885, 2085, 2262, 2340, 2502, 2610, 2780, 3132, 3393, 3510, 3614, 3753, 3770, 3915, 4031, 4170, 4524, 5004, 5220, 5421, 5655, 6255, 6786, 7020, 7228, 7506, 7540, 7830, 8062, 8340, 9035, 10179, 10842, 11310, 12093, 12510, 13572, 15012, 15660, 16124, 16263, 16965, 18070, 18765, 20155, 20358, 21684, 22620, 24186, 25020, 27105, 32526, 33930, 36140, 36279, 37530, 40310, 40716, 48372, 48789, 50895, 52403, 54210, 60465, 65052, 67860, 72558, 75060, 80620, 81315, 97578, 101790, 104806, 108420, 108837, 120930, 145116, 157209, 162630, 181395, 195156, 203580, 209612, 217674, 241860, 243945, 262015, 314418, 325260, 362790, 435348, 471627, 487890, 524030, 544185, 628836, 725580, 786045, 943254, 975780, 1048060, 1088370, 1414881, 1572090, 1886508, 2176740, 2358135, 2829762, 3144180, 4716270, 5659524, 7074405, 9432540, 14148810, 28297620]

約数ペア:

[(1, 28297620), (2, 14148810), (3, 9432540), (4, 7074405), (5, 5659524), (6, 4716270), (9, 3144180), (10, 2829762), (12, 2358135), (13, 2176740), (15, 1886508), (18, 1572090), (20, 1414881), (26, 1088370), (27, 1048060), (29, 975780), (30, 943254), (36, 786045), (39, 725580), (45, 628836), (52, 544185), (54, 524030), (58, 487890), (60, 471627), (65, 435348), (78, 362790), (87, 325260), (90, 314418), (108, 262015), (116, 243945), (117, 241860), (130, 217674), (135, 209612), (139, 203580), (145, 195156), (156, 181395), (174, 162630), (180, 157209), (195, 145116), (234, 120930), (260, 108837), (261, 108420), (270, 104806), (278, 101790), (290, 97578), (348, 81315), (351, 80620), (377, 75060), (390, 72558), (417, 67860), (435, 65052), (468, 60465), (522, 54210), (540, 52403), (556, 50895), (580, 48789), (585, 48372), (695, 40716), (702, 40310), (754, 37530), (780, 36279), (783, 36140), (834, 33930), (870, 32526), (1044, 27105), (1131, 25020), (1170, 24186), (1251, 22620), (1305, 21684), (1390, 20358), (1404, 20155), (1508, 18765), (1566, 18070), (1668, 16965), (1740, 16263), (1755, 16124), (1807, 15660), (1885, 15012), (2085, 13572), (2262, 12510), (2340, 12093), (2502, 11310), (2610, 10842), (2780, 10179), (3132, 9035), (3393, 8340), (3510, 8062), (3614, 7830), (3753, 7540), (3770, 7506), (3915, 7228), (4031, 7020), (4170, 6786), (4524, 6255), (5004, 5655), (5220, 5421)]