145026980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2663}}^1$

素因数の和:3068

約数の個数: 48

約数和(自身を含む): 349090560

約数和(自身を除く): 204063580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 778, 1556, 1945, 2663, 2723, 3890, 5326, 5446, 7780, 10652, 10892, 13315, 13615, 18641, 26630, 27230, 37282, 53260, 54460, 74564, 93205, 186410, 372820, 1035907, 2071814, 4143628, 5179535, 7251349, 10359070, 14502698, 20718140, 29005396, 36256745, 72513490, 145026980]

約数ペア:

[(1, 145026980), (2, 72513490), (4, 36256745), (5, 29005396), (7, 20718140), (10, 14502698), (14, 10359070), (20, 7251349), (28, 5179535), (35, 4143628), (70, 2071814), (140, 1035907), (389, 372820), (778, 186410), (1556, 93205), (1945, 74564), (2663, 54460), (2723, 53260), (3890, 37282), (5326, 27230), (5446, 26630), (7780, 18641), (10652, 13615), (10892, 13315)]