71198225

素因数分解:

$5^2\times 7^3\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:92

約数の個数: 72

約数和(自身を含む): 113385600

約数和(自身を除く): 42187375

約数列:

[1, 5, 7, 19, 23, 25, 35, 49, 95, 115, 133, 161, 175, 245, 343, 361, 437, 475, 575, 665, 805, 931, 1127, 1225, 1715, 1805, 2185, 2527, 3059, 3325, 4025, 4655, 5635, 6517, 7889, 8303, 8575, 9025, 10925, 12635, 15295, 17689, 21413, 23275, 28175, 32585, 39445, 41515, 58121, 63175, 76475, 88445, 107065, 123823, 149891, 162925, 197225, 207575, 290605, 406847, 442225, 535325, 619115, 749455, 1453025, 2034235, 2847929, 3095575, 3747275, 10171175, 14239645, 71198225]

約数ペア:

[(1, 71198225), (5, 14239645), (7, 10171175), (19, 3747275), (23, 3095575), (25, 2847929), (35, 2034235), (49, 1453025), (95, 749455), (115, 619115), (133, 535325), (161, 442225), (175, 406847), (245, 290605), (343, 207575), (361, 197225), (437, 162925), (475, 149891), (575, 123823), (665, 107065), (805, 88445), (931, 76475), (1127, 63175), (1225, 58121), (1715, 41515), (1805, 39445), (2185, 32585), (2527, 28175), (3059, 23275), (3325, 21413), (4025, 17689), (4655, 15295), (5635, 12635), (6517, 10925), (7889, 9025), (8303, 8575)]