71512900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 160864704

約数和(自身を除く): 89351804

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 103, 106, 131, 206, 212, 262, 265, 412, 515, 524, 530, 655, 1030, 1060, 1310, 1325, 2060, 2575, 2620, 2650, 3275, 5150, 5300, 5459, 6550, 6943, 10300, 10918, 13100, 13493, 13886, 21836, 26986, 27295, 27772, 34715, 53972, 54590, 67465, 69430, 109180, 134930, 136475, 138860, 173575, 269860, 272950, 337325, 347150, 545900, 674650, 694300, 715129, 1349300, 1430258, 2860516, 3575645, 7151290, 14302580, 17878225, 35756450, 71512900]

約数ペア:

[(1, 71512900), (2, 35756450), (4, 17878225), (5, 14302580), (10, 7151290), (20, 3575645), (25, 2860516), (50, 1430258), (53, 1349300), (100, 715129), (103, 694300), (106, 674650), (131, 545900), (206, 347150), (212, 337325), (262, 272950), (265, 269860), (412, 173575), (515, 138860), (524, 136475), (530, 134930), (655, 109180), (1030, 69430), (1060, 67465), (1310, 54590), (1325, 53972), (2060, 34715), (2575, 27772), (2620, 27295), (2650, 26986), (3275, 21836), (5150, 13886), (5300, 13493), (5459, 13100), (6550, 10918), (6943, 10300)]