220131210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1451}}^1$

素因数の和:1863

約数の個数: 64

約数和(自身を含む): 570810240

約数和(自身を除く): 350679030

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 389, 390, 778, 1167, 1451, 1945, 2334, 2902, 3890, 4353, 5057, 5835, 7255, 8706, 10114, 11670, 14510, 15171, 18863, 21765, 25285, 30342, 37726, 43530, 50570, 56589, 75855, 94315, 113178, 151710, 188630, 282945, 564439, 565890, 1128878, 1693317, 2822195, 3386634, 5644390, 7337707, 8466585, 14675414, 16933170, 22013121, 36688535, 44026242, 73377070, 110065605, 220131210]

約数ペア:

[(1, 220131210), (2, 110065605), (3, 73377070), (5, 44026242), (6, 36688535), (10, 22013121), (13, 16933170), (15, 14675414), (26, 8466585), (30, 7337707), (39, 5644390), (65, 3386634), (78, 2822195), (130, 1693317), (195, 1128878), (389, 565890), (390, 564439), (778, 282945), (1167, 188630), (1451, 151710), (1945, 113178), (2334, 94315), (2902, 75855), (3890, 56589), (4353, 50570), (5057, 43530), (5835, 37726), (7255, 30342), (8706, 25285), (10114, 21765), (11670, 18863), (14510, 15171)]