400239952

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1637}}^1$

素因数の和:1748

約数の個数: 80

約数和(自身を含む): 926190720

約数和(自身を除く): 525950768

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 59, 74, 112, 118, 148, 236, 259, 296, 413, 472, 518, 592, 826, 944, 1036, 1637, 1652, 2072, 2183, 3274, 3304, 4144, 4366, 6548, 6608, 8732, 11459, 13096, 15281, 17464, 22918, 26192, 30562, 34928, 45836, 60569, 61124, 91672, 96583, 121138, 122248, 183344, 193166, 242276, 244496, 386332, 423983, 484552, 676081, 772664, 847966, 969104, 1352162, 1545328, 1695932, 2704324, 3391864, 3573571, 5408648, 6783728, 7147142, 10817296, 14294284, 25014997, 28588568, 50029994, 57177136, 100059988, 200119976, 400239952]

約数ペア:

[(1, 400239952), (2, 200119976), (4, 100059988), (7, 57177136), (8, 50029994), (14, 28588568), (16, 25014997), (28, 14294284), (37, 10817296), (56, 7147142), (59, 6783728), (74, 5408648), (112, 3573571), (118, 3391864), (148, 2704324), (236, 1695932), (259, 1545328), (296, 1352162), (413, 969104), (472, 847966), (518, 772664), (592, 676081), (826, 484552), (944, 423983), (1036, 386332), (1637, 244496), (1652, 242276), (2072, 193166), (2183, 183344), (3274, 122248), (3304, 121138), (4144, 96583), (4366, 91672), (6548, 61124), (6608, 60569), (8732, 45836), (11459, 34928), (13096, 30562), (15281, 26192), (17464, 22918)]