286008620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{3919}}^1$

素因数の和:4058

約数の個数: 48

約数和(自身を含む): 622339200

約数和(自身を除く): 336330580

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 164, 178, 205, 356, 410, 445, 820, 890, 1780, 3649, 3919, 7298, 7838, 14596, 15676, 18245, 19595, 36490, 39190, 72980, 78380, 160679, 321358, 348791, 642716, 697582, 803395, 1395164, 1606790, 1743955, 3213580, 3487910, 6975820, 14300431, 28600862, 57201724, 71502155, 143004310, 286008620]

約数ペア:

[(1, 286008620), (2, 143004310), (4, 71502155), (5, 57201724), (10, 28600862), (20, 14300431), (41, 6975820), (82, 3487910), (89, 3213580), (164, 1743955), (178, 1606790), (205, 1395164), (356, 803395), (410, 697582), (445, 642716), (820, 348791), (890, 321358), (1780, 160679), (3649, 78380), (3919, 72980), (7298, 39190), (7838, 36490), (14596, 19595), (15676, 18245)]