87470440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{419}}^1$

素因数の和:754

約数の個数: 64

約数和(自身を含む): 209563200

約数和(自身を除く): 122092760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 307, 340, 419, 614, 680, 838, 1228, 1535, 1676, 2095, 2456, 3070, 3352, 4190, 5219, 6140, 7123, 8380, 10438, 12280, 14246, 16760, 20876, 26095, 28492, 35615, 41752, 52190, 56984, 71230, 104380, 128633, 142460, 208760, 257266, 284920, 514532, 643165, 1029064, 1286330, 2186761, 2572660, 4373522, 5145320, 8747044, 10933805, 17494088, 21867610, 43735220, 87470440]

約数ペア:

[(1, 87470440), (2, 43735220), (4, 21867610), (5, 17494088), (8, 10933805), (10, 8747044), (17, 5145320), (20, 4373522), (34, 2572660), (40, 2186761), (68, 1286330), (85, 1029064), (136, 643165), (170, 514532), (307, 284920), (340, 257266), (419, 208760), (614, 142460), (680, 128633), (838, 104380), (1228, 71230), (1535, 56984), (1676, 52190), (2095, 41752), (2456, 35615), (3070, 28492), (3352, 26095), (4190, 20876), (5219, 16760), (6140, 14246), (7123, 12280), (8380, 10438)]