65081800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:288

約数の個数: 144

約数和(自身を含む): 182884500

約数和(自身を除く): 117802700

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 29, 35, 40, 49, 50, 56, 58, 70, 98, 100, 116, 140, 145, 175, 196, 200, 203, 229, 232, 245, 280, 290, 350, 392, 406, 458, 490, 580, 700, 725, 812, 916, 980, 1015, 1145, 1160, 1225, 1400, 1421, 1450, 1603, 1624, 1832, 1960, 2030, 2290, 2450, 2842, 2900, 3206, 4060, 4580, 4900, 5075, 5684, 5725, 5800, 6412, 6641, 7105, 8015, 8120, 9160, 9800, 10150, 11221, 11368, 11450, 12824, 13282, 14210, 16030, 20300, 22442, 22900, 26564, 28420, 32060, 33205, 35525, 40075, 40600, 44884, 45800, 46487, 53128, 56105, 56840, 64120, 66410, 71050, 80150, 89768, 92974, 112210, 132820, 142100, 160300, 166025, 185948, 224420, 232435, 265640, 280525, 284200, 320600, 325409, 332050, 371896, 448840, 464870, 561050, 650818, 664100, 929740, 1122100, 1162175, 1301636, 1328200, 1627045, 1859480, 2244200, 2324350, 2603272, 3254090, 4648700, 6508180, 8135225, 9297400, 13016360, 16270450, 32540900, 65081800]

約数ペア:

[(1, 65081800), (2, 32540900), (4, 16270450), (5, 13016360), (7, 9297400), (8, 8135225), (10, 6508180), (14, 4648700), (20, 3254090), (25, 2603272), (28, 2324350), (29, 2244200), (35, 1859480), (40, 1627045), (49, 1328200), (50, 1301636), (56, 1162175), (58, 1122100), (70, 929740), (98, 664100), (100, 650818), (116, 561050), (140, 464870), (145, 448840), (175, 371896), (196, 332050), (200, 325409), (203, 320600), (229, 284200), (232, 280525), (245, 265640), (280, 232435), (290, 224420), (350, 185948), (392, 166025), (406, 160300), (458, 142100), (490, 132820), (580, 112210), (700, 92974), (725, 89768), (812, 80150), (916, 71050), (980, 66410), (1015, 64120), (1145, 56840), (1160, 56105), (1225, 53128), (1400, 46487), (1421, 45800), (1450, 44884), (1603, 40600), (1624, 40075), (1832, 35525), (1960, 33205), (2030, 32060), (2290, 28420), (2450, 26564), (2842, 22900), (2900, 22442), (3206, 20300), (4060, 16030), (4580, 14210), (4900, 13282), (5075, 12824), (5684, 11450), (5725, 11368), (5800, 11221), (6412, 10150), (6641, 9800), (7105, 9160), (8015, 8120)]