148900520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{90793}}^1$

素因数の和:90845

約数の個数: 32

約数和(自身を含む): 343201320

約数和(自身を除く): 194300800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 90793, 181586, 363172, 453965, 726344, 907930, 1815860, 3631720, 3722513, 7445026, 14890052, 18612565, 29780104, 37225130, 74450260, 148900520]

約数ペア:

[(1, 148900520), (2, 74450260), (4, 37225130), (5, 29780104), (8, 18612565), (10, 14890052), (20, 7445026), (40, 3722513), (41, 3631720), (82, 1815860), (164, 907930), (205, 726344), (328, 453965), (410, 363172), (820, 181586), (1640, 90793)]