403986140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{2203}}^1$

素因数の和:2438

約数の個数: 48

約数和(自身を含む): 869768928

約数和(自身を除く): 465782788

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 173, 212, 265, 346, 530, 692, 865, 1060, 1730, 2203, 3460, 4406, 8812, 9169, 11015, 18338, 22030, 36676, 44060, 45845, 91690, 116759, 183380, 233518, 381119, 467036, 583795, 762238, 1167590, 1524476, 1905595, 2335180, 3811190, 7622380, 20199307, 40398614, 80797228, 100996535, 201993070, 403986140]

約数ペア:

[(1, 403986140), (2, 201993070), (4, 100996535), (5, 80797228), (10, 40398614), (20, 20199307), (53, 7622380), (106, 3811190), (173, 2335180), (212, 1905595), (265, 1524476), (346, 1167590), (530, 762238), (692, 583795), (865, 467036), (1060, 381119), (1730, 233518), (2203, 183380), (3460, 116759), (4406, 91690), (8812, 45845), (9169, 44060), (11015, 36676), (18338, 22030)]