400825740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10723}}^1$

素因数の和:10831

約数の個数: 96

約数和(自身を含む): 1297175040

約数和(自身を除く): 896349300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 89, 105, 140, 178, 210, 267, 356, 420, 445, 534, 623, 890, 1068, 1246, 1335, 1780, 1869, 2492, 2670, 3115, 3738, 5340, 6230, 7476, 9345, 10723, 12460, 18690, 21446, 32169, 37380, 42892, 53615, 64338, 75061, 107230, 128676, 150122, 160845, 214460, 225183, 300244, 321690, 375305, 450366, 643380, 750610, 900732, 954347, 1125915, 1501220, 1908694, 2251830, 2863041, 3817388, 4503660, 4771735, 5726082, 6680429, 9543470, 11452164, 13360858, 14315205, 19086940, 20041287, 26721716, 28630410, 33402145, 40082574, 57260820, 66804290, 80165148, 100206435, 133608580, 200412870, 400825740]

約数ペア:

[(1, 400825740), (2, 200412870), (3, 133608580), (4, 100206435), (5, 80165148), (6, 66804290), (7, 57260820), (10, 40082574), (12, 33402145), (14, 28630410), (15, 26721716), (20, 20041287), (21, 19086940), (28, 14315205), (30, 13360858), (35, 11452164), (42, 9543470), (60, 6680429), (70, 5726082), (84, 4771735), (89, 4503660), (105, 3817388), (140, 2863041), (178, 2251830), (210, 1908694), (267, 1501220), (356, 1125915), (420, 954347), (445, 900732), (534, 750610), (623, 643380), (890, 450366), (1068, 375305), (1246, 321690), (1335, 300244), (1780, 225183), (1869, 214460), (2492, 160845), (2670, 150122), (3115, 128676), (3738, 107230), (5340, 75061), (6230, 64338), (7476, 53615), (9345, 42892), (10723, 37380), (12460, 32169), (18690, 21446)]