72844700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 164416560

約数和(自身を除く): 91571860

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 109, 163, 164, 205, 218, 326, 410, 436, 545, 652, 815, 820, 1025, 1090, 1630, 2050, 2180, 2725, 3260, 4075, 4100, 4469, 5450, 6683, 8150, 8938, 10900, 13366, 16300, 17767, 17876, 22345, 26732, 33415, 35534, 44690, 66830, 71068, 88835, 89380, 111725, 133660, 167075, 177670, 223450, 334150, 355340, 444175, 446900, 668300, 728447, 888350, 1456894, 1776700, 2913788, 3642235, 7284470, 14568940, 18211175, 36422350, 72844700]

約数ペア:

[(1, 72844700), (2, 36422350), (4, 18211175), (5, 14568940), (10, 7284470), (20, 3642235), (25, 2913788), (41, 1776700), (50, 1456894), (82, 888350), (100, 728447), (109, 668300), (163, 446900), (164, 444175), (205, 355340), (218, 334150), (326, 223450), (410, 177670), (436, 167075), (545, 133660), (652, 111725), (815, 89380), (820, 88835), (1025, 71068), (1090, 66830), (1630, 44690), (2050, 35534), (2180, 33415), (2725, 26732), (3260, 22345), (4075, 17876), (4100, 17767), (4469, 16300), (5450, 13366), (6683, 10900), (8150, 8938)]