2780811250

素因数分解:

$2^1\times 5^4\times 7^2\times {\mathrm{83}}^1\times {\mathrm{547}}^1$

素因数の和:666

約数の個数: 120

約数和(自身を含む): 6147619632

約数和(自身を除く): 3366808382

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 83, 98, 125, 166, 175, 245, 250, 350, 415, 490, 547, 581, 625, 830, 875, 1094, 1162, 1225, 1250, 1750, 2075, 2450, 2735, 2905, 3829, 4067, 4150, 4375, 5470, 5810, 6125, 7658, 8134, 8750, 10375, 12250, 13675, 14525, 19145, 20335, 20750, 26803, 27350, 29050, 30625, 38290, 40670, 45401, 51875, 53606, 61250, 68375, 72625, 90802, 95725, 101675, 103750, 134015, 136750, 145250, 191450, 203350, 227005, 268030, 317807, 341875, 363125, 454010, 478625, 508375, 635614, 670075, 683750, 726250, 957250, 1016750, 1135025, 1340150, 1589035, 2224649, 2270050, 2393125, 2541875, 3178070, 3350375, 4449298, 4786250, 5083750, 5675125, 6700750, 7945175, 11123245, 11350250, 15890350, 16751875, 22246490, 28375625, 33503750, 39725875, 55616225, 56751250, 79451750, 111232450, 198629375, 278081125, 397258750, 556162250, 1390405625, 2780811250]

約数ペア:

[(1, 2780811250), (2, 1390405625), (5, 556162250), (7, 397258750), (10, 278081125), (14, 198629375), (25, 111232450), (35, 79451750), (49, 56751250), (50, 55616225), (70, 39725875), (83, 33503750), (98, 28375625), (125, 22246490), (166, 16751875), (175, 15890350), (245, 11350250), (250, 11123245), (350, 7945175), (415, 6700750), (490, 5675125), (547, 5083750), (581, 4786250), (625, 4449298), (830, 3350375), (875, 3178070), (1094, 2541875), (1162, 2393125), (1225, 2270050), (1250, 2224649), (1750, 1589035), (2075, 1340150), (2450, 1135025), (2735, 1016750), (2905, 957250), (3829, 726250), (4067, 683750), (4150, 670075), (4375, 635614), (5470, 508375), (5810, 478625), (6125, 454010), (7658, 363125), (8134, 341875), (8750, 317807), (10375, 268030), (12250, 227005), (13675, 203350), (14525, 191450), (19145, 145250), (20335, 136750), (20750, 134015), (26803, 103750), (27350, 101675), (29050, 95725), (30625, 90802), (38290, 72625), (40670, 68375), (45401, 61250), (51875, 53606)]