100778920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1009}}^1$

素因数の和:1258

約数の個数: 64

約数和(自身を含む): 248702400

約数和(自身を除く): 147923480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 227, 440, 454, 908, 1009, 1135, 1816, 2018, 2270, 2497, 4036, 4540, 4994, 5045, 8072, 9080, 9988, 10090, 11099, 12485, 19976, 20180, 22198, 24970, 40360, 44396, 49940, 55495, 88792, 99880, 110990, 221980, 229043, 443960, 458086, 916172, 1145215, 1832344, 2290430, 2519473, 4580860, 5038946, 9161720, 10077892, 12597365, 20155784, 25194730, 50389460, 100778920]

約数ペア:

[(1, 100778920), (2, 50389460), (4, 25194730), (5, 20155784), (8, 12597365), (10, 10077892), (11, 9161720), (20, 5038946), (22, 4580860), (40, 2519473), (44, 2290430), (55, 1832344), (88, 1145215), (110, 916172), (220, 458086), (227, 443960), (440, 229043), (454, 221980), (908, 110990), (1009, 99880), (1135, 88792), (1816, 55495), (2018, 49940), (2270, 44396), (2497, 40360), (4036, 24970), (4540, 22198), (4994, 20180), (5045, 19976), (8072, 12485), (9080, 11099), (9988, 10090)]