31661140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:337

約数の個数: 96

約数和(自身を含む): 82301184

約数和(自身を除く): 50640044

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 53, 68, 70, 85, 106, 119, 140, 170, 212, 238, 251, 265, 340, 371, 476, 502, 530, 595, 742, 901, 1004, 1060, 1190, 1255, 1484, 1757, 1802, 1855, 2380, 2510, 3514, 3604, 3710, 4267, 4505, 5020, 6307, 7028, 7420, 8534, 8785, 9010, 12614, 13303, 17068, 17570, 18020, 21335, 25228, 26606, 29869, 31535, 35140, 42670, 53212, 59738, 63070, 66515, 85340, 93121, 119476, 126140, 133030, 149345, 186242, 226151, 266060, 298690, 372484, 452302, 465605, 597380, 904604, 931210, 1130755, 1583057, 1862420, 2261510, 3166114, 4523020, 6332228, 7915285, 15830570, 31661140]

約数ペア:

[(1, 31661140), (2, 15830570), (4, 7915285), (5, 6332228), (7, 4523020), (10, 3166114), (14, 2261510), (17, 1862420), (20, 1583057), (28, 1130755), (34, 931210), (35, 904604), (53, 597380), (68, 465605), (70, 452302), (85, 372484), (106, 298690), (119, 266060), (140, 226151), (170, 186242), (212, 149345), (238, 133030), (251, 126140), (265, 119476), (340, 93121), (371, 85340), (476, 66515), (502, 63070), (530, 59738), (595, 53212), (742, 42670), (901, 35140), (1004, 31535), (1060, 29869), (1190, 26606), (1255, 25228), (1484, 21335), (1757, 18020), (1802, 17570), (1855, 17068), (2380, 13303), (2510, 12614), (3514, 9010), (3604, 8785), (3710, 8534), (4267, 7420), (4505, 7028), (5020, 6307)]