400897072

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{4943}}^1$

素因数の和:5125

約数の個数: 40

約数和(自身を含む): 803716416

約数和(自身を除く): 402819344

約数列:

[1, 2, 4, 8, 16, 37, 74, 137, 148, 274, 296, 548, 592, 1096, 2192, 4943, 5069, 9886, 10138, 19772, 20276, 39544, 40552, 79088, 81104, 182891, 365782, 677191, 731564, 1354382, 1463128, 2708764, 2926256, 5417528, 10835056, 25056067, 50112134, 100224268, 200448536, 400897072]

約数ペア:

[(1, 400897072), (2, 200448536), (4, 100224268), (8, 50112134), (16, 25056067), (37, 10835056), (74, 5417528), (137, 2926256), (148, 2708764), (274, 1463128), (296, 1354382), (548, 731564), (592, 677191), (1096, 365782), (2192, 182891), (4943, 81104), (5069, 79088), (9886, 40552), (10138, 39544), (19772, 20276)]