249381860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{521}}^1$

素因数の和:813

約数の個数: 96

約数和(自身を含む): 648248832

約数和(自身を除く): 398866972

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 263, 364, 455, 521, 526, 910, 1042, 1052, 1315, 1820, 1841, 2084, 2605, 2630, 3419, 3647, 3682, 5210, 5260, 6773, 6838, 7294, 7364, 9205, 10420, 13546, 13676, 14588, 17095, 18235, 18410, 23933, 27092, 33865, 34190, 36470, 36820, 47411, 47866, 67730, 68380, 72940, 94822, 95732, 119665, 135460, 137023, 189644, 237055, 239330, 274046, 474110, 478660, 548092, 685115, 948220, 959161, 1370230, 1781299, 1918322, 2740460, 3562598, 3836644, 4795805, 7125196, 8906495, 9591610, 12469093, 17812990, 19183220, 24938186, 35625980, 49876372, 62345465, 124690930, 249381860]

約数ペア:

[(1, 249381860), (2, 124690930), (4, 62345465), (5, 49876372), (7, 35625980), (10, 24938186), (13, 19183220), (14, 17812990), (20, 12469093), (26, 9591610), (28, 8906495), (35, 7125196), (52, 4795805), (65, 3836644), (70, 3562598), (91, 2740460), (130, 1918322), (140, 1781299), (182, 1370230), (260, 959161), (263, 948220), (364, 685115), (455, 548092), (521, 478660), (526, 474110), (910, 274046), (1042, 239330), (1052, 237055), (1315, 189644), (1820, 137023), (1841, 135460), (2084, 119665), (2605, 95732), (2630, 94822), (3419, 72940), (3647, 68380), (3682, 67730), (5210, 47866), (5260, 47411), (6773, 36820), (6838, 36470), (7294, 34190), (7364, 33865), (9205, 27092), (10420, 23933), (13546, 18410), (13676, 18235), (14588, 17095)]