876531220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{1091}}^1$

素因数の和:1273

約数の個数: 72

約数和(自身を含む): 1971234720

約数和(自身を除く): 1094703500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 289, 340, 556, 578, 695, 1091, 1156, 1390, 1445, 2182, 2363, 2780, 2890, 4364, 4726, 5455, 5780, 9452, 10910, 11815, 18547, 21820, 23630, 37094, 40171, 47260, 74188, 80342, 92735, 151649, 160684, 185470, 200855, 303298, 315299, 370940, 401710, 606596, 630598, 758245, 803420, 1261196, 1516490, 1576495, 2578033, 3032980, 3152990, 5156066, 6305980, 10312132, 12890165, 25780330, 43826561, 51560660, 87653122, 175306244, 219132805, 438265610, 876531220]

約数ペア:

[(1, 876531220), (2, 438265610), (4, 219132805), (5, 175306244), (10, 87653122), (17, 51560660), (20, 43826561), (34, 25780330), (68, 12890165), (85, 10312132), (139, 6305980), (170, 5156066), (278, 3152990), (289, 3032980), (340, 2578033), (556, 1576495), (578, 1516490), (695, 1261196), (1091, 803420), (1156, 758245), (1390, 630598), (1445, 606596), (2182, 401710), (2363, 370940), (2780, 315299), (2890, 303298), (4364, 200855), (4726, 185470), (5455, 160684), (5780, 151649), (9452, 92735), (10910, 80342), (11815, 74188), (18547, 47260), (21820, 40171), (23630, 37094)]