619658380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2113}}^1$

素因数の和:2207

約数の個数: 96

約数和(自身を含む): 1500162048

約数和(自身を除く): 880503668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 43, 44, 55, 62, 86, 110, 124, 155, 172, 215, 220, 310, 341, 430, 473, 620, 682, 860, 946, 1333, 1364, 1705, 1892, 2113, 2365, 2666, 3410, 4226, 4730, 5332, 6665, 6820, 8452, 9460, 10565, 13330, 14663, 21130, 23243, 26660, 29326, 42260, 46486, 58652, 65503, 73315, 90859, 92972, 116215, 131006, 146630, 181718, 232430, 262012, 293260, 327515, 363436, 454295, 464860, 655030, 720533, 908590, 999449, 1310060, 1441066, 1817180, 1998898, 2816629, 2882132, 3602665, 3997796, 4997245, 5633258, 7205330, 9994490, 11266516, 14083145, 14410660, 19988980, 28166290, 30982919, 56332580, 61965838, 123931676, 154914595, 309829190, 619658380]

約数ペア:

[(1, 619658380), (2, 309829190), (4, 154914595), (5, 123931676), (10, 61965838), (11, 56332580), (20, 30982919), (22, 28166290), (31, 19988980), (43, 14410660), (44, 14083145), (55, 11266516), (62, 9994490), (86, 7205330), (110, 5633258), (124, 4997245), (155, 3997796), (172, 3602665), (215, 2882132), (220, 2816629), (310, 1998898), (341, 1817180), (430, 1441066), (473, 1310060), (620, 999449), (682, 908590), (860, 720533), (946, 655030), (1333, 464860), (1364, 454295), (1705, 363436), (1892, 327515), (2113, 293260), (2365, 262012), (2666, 232430), (3410, 181718), (4226, 146630), (4730, 131006), (5332, 116215), (6665, 92972), (6820, 90859), (8452, 73315), (9460, 65503), (10565, 58652), (13330, 46486), (14663, 42260), (21130, 29326), (23243, 26660)]