28990700

素因数分解:

$2^2\times 5^2\times {\mathrm{239}}^1\times {\mathrm{1213}}^1$

素因数の和:1466

約数の個数: 36

約数和(自身を含む): 63225120

約数和(自身を除く): 34234420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 239, 478, 956, 1195, 1213, 2390, 2426, 4780, 4852, 5975, 6065, 11950, 12130, 23900, 24260, 30325, 60650, 121300, 289907, 579814, 1159628, 1449535, 2899070, 5798140, 7247675, 14495350, 28990700]

約数ペア:

[(1, 28990700), (2, 14495350), (4, 7247675), (5, 5798140), (10, 2899070), (20, 1449535), (25, 1159628), (50, 579814), (100, 289907), (239, 121300), (478, 60650), (956, 30325), (1195, 24260), (1213, 23900), (2390, 12130), (2426, 11950), (4780, 6065), (4852, 5975)]