81249140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:337

約数の個数: 96

約数和(自身を含む): 204417024

約数和(自身を除く): 123167884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 97, 124, 140, 155, 193, 194, 217, 310, 386, 388, 434, 485, 620, 679, 772, 868, 965, 970, 1085, 1351, 1358, 1930, 1940, 2170, 2702, 2716, 3007, 3395, 3860, 4340, 5404, 5983, 6014, 6755, 6790, 11966, 12028, 13510, 13580, 15035, 18721, 21049, 23932, 27020, 29915, 30070, 37442, 41881, 42098, 59830, 60140, 74884, 83762, 84196, 93605, 105245, 119660, 131047, 167524, 187210, 209405, 210490, 262094, 374420, 418810, 420980, 524188, 580351, 655235, 837620, 1160702, 1310470, 2321404, 2620940, 2901755, 4062457, 5803510, 8124914, 11607020, 16249828, 20312285, 40624570, 81249140]

約数ペア:

[(1, 81249140), (2, 40624570), (4, 20312285), (5, 16249828), (7, 11607020), (10, 8124914), (14, 5803510), (20, 4062457), (28, 2901755), (31, 2620940), (35, 2321404), (62, 1310470), (70, 1160702), (97, 837620), (124, 655235), (140, 580351), (155, 524188), (193, 420980), (194, 418810), (217, 374420), (310, 262094), (386, 210490), (388, 209405), (434, 187210), (485, 167524), (620, 131047), (679, 119660), (772, 105245), (868, 93605), (965, 84196), (970, 83762), (1085, 74884), (1351, 60140), (1358, 59830), (1930, 42098), (1940, 41881), (2170, 37442), (2702, 30070), (2716, 29915), (3007, 27020), (3395, 23932), (3860, 21049), (4340, 18721), (5404, 15035), (5983, 13580), (6014, 13510), (6755, 12028), (6790, 11966)]