28969402020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{34421}}^1$

素因数の和:34542

約数の個数: 144

約数和(自身を含む): 88894677312

約数和(自身を除く): 59925275292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 83, 130, 156, 166, 169, 195, 249, 260, 332, 338, 390, 415, 498, 507, 676, 780, 830, 845, 996, 1014, 1079, 1245, 1660, 1690, 2028, 2158, 2490, 2535, 3237, 3380, 4316, 4980, 5070, 5395, 6474, 10140, 10790, 12948, 14027, 16185, 21580, 28054, 32370, 34421, 42081, 56108, 64740, 68842, 70135, 84162, 103263, 137684, 140270, 168324, 172105, 206526, 210405, 280540, 344210, 413052, 420810, 447473, 516315, 688420, 841620, 894946, 1032630, 1342419, 1789892, 2065260, 2237365, 2684838, 2856943, 4474730, 5369676, 5713886, 5817149, 6712095, 8570829, 8949460, 11427772, 11634298, 13424190, 14284715, 17141658, 17451447, 23268596, 26848380, 28569430, 29085745, 34283316, 34902894, 37140259, 42854145, 57138860, 58171490, 69805788, 74280518, 85708290, 87257235, 111420777, 116342980, 148561036, 171416580, 174514470, 185701295, 222841554, 349028940, 371402590, 445683108, 482823367, 557103885, 742805180, 965646734, 1114207770, 1448470101, 1931293468, 2228415540, 2414116835, 2896940202, 4828233670, 5793880404, 7242350505, 9656467340, 14484701010, 28969402020]

約数ペア:

[(1, 28969402020), (2, 14484701010), (3, 9656467340), (4, 7242350505), (5, 5793880404), (6, 4828233670), (10, 2896940202), (12, 2414116835), (13, 2228415540), (15, 1931293468), (20, 1448470101), (26, 1114207770), (30, 965646734), (39, 742805180), (52, 557103885), (60, 482823367), (65, 445683108), (78, 371402590), (83, 349028940), (130, 222841554), (156, 185701295), (166, 174514470), (169, 171416580), (195, 148561036), (249, 116342980), (260, 111420777), (332, 87257235), (338, 85708290), (390, 74280518), (415, 69805788), (498, 58171490), (507, 57138860), (676, 42854145), (780, 37140259), (830, 34902894), (845, 34283316), (996, 29085745), (1014, 28569430), (1079, 26848380), (1245, 23268596), (1660, 17451447), (1690, 17141658), (2028, 14284715), (2158, 13424190), (2490, 11634298), (2535, 11427772), (3237, 8949460), (3380, 8570829), (4316, 6712095), (4980, 5817149), (5070, 5713886), (5395, 5369676), (6474, 4474730), (10140, 2856943), (10790, 2684838), (12948, 2237365), (14027, 2065260), (16185, 1789892), (21580, 1342419), (28054, 1032630), (32370, 894946), (34421, 841620), (42081, 688420), (56108, 516315), (64740, 447473), (68842, 420810), (70135, 413052), (84162, 344210), (103263, 280540), (137684, 210405), (140270, 206526), (168324, 172105)]