140675210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 286239744

約数和(自身を除く): 145564534

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 67, 130, 134, 155, 310, 335, 403, 521, 670, 806, 871, 1042, 1742, 2015, 2077, 2605, 4030, 4154, 4355, 5210, 6773, 8710, 10385, 13546, 16151, 20770, 27001, 32302, 33865, 34907, 54002, 67730, 69814, 80755, 135005, 161510, 174535, 209963, 270010, 349070, 419926, 453791, 907582, 1049815, 1082117, 2099630, 2164234, 2268955, 4537910, 5410585, 10821170, 14067521, 28135042, 70337605, 140675210]

約数ペア:

[(1, 140675210), (2, 70337605), (5, 28135042), (10, 14067521), (13, 10821170), (26, 5410585), (31, 4537910), (62, 2268955), (65, 2164234), (67, 2099630), (130, 1082117), (134, 1049815), (155, 907582), (310, 453791), (335, 419926), (403, 349070), (521, 270010), (670, 209963), (806, 174535), (871, 161510), (1042, 135005), (1742, 80755), (2015, 69814), (2077, 67730), (2605, 54002), (4030, 34907), (4154, 33865), (4355, 32302), (5210, 27001), (6773, 20770), (8710, 16151), (10385, 13546)]