491885940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{90089}}^1$

素因数の和:90121

約数の個数: 96

約数和(自身を含む): 1695133440

約数和(自身を除く): 1203247500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 90089, 180178, 270267, 360356, 450445, 540534, 630623, 900890, 1081068, 1171157, 1261246, 1351335, 1801780, 1891869, 2342314, 2522492, 2702670, 3153115, 3513471, 3783738, 4684628, 5405340, 5855785, 6306230, 7026942, 7567476, 8198099, 9459345, 11711570, 12612460, 14053884, 16396198, 17567355, 18918690, 23423140, 24594297, 32792396, 35134710, 37837380, 40990495, 49188594, 70269420, 81980990, 98377188, 122971485, 163961980, 245942970, 491885940]

約数ペア:

[(1, 491885940), (2, 245942970), (3, 163961980), (4, 122971485), (5, 98377188), (6, 81980990), (7, 70269420), (10, 49188594), (12, 40990495), (13, 37837380), (14, 35134710), (15, 32792396), (20, 24594297), (21, 23423140), (26, 18918690), (28, 17567355), (30, 16396198), (35, 14053884), (39, 12612460), (42, 11711570), (52, 9459345), (60, 8198099), (65, 7567476), (70, 7026942), (78, 6306230), (84, 5855785), (91, 5405340), (105, 4684628), (130, 3783738), (140, 3513471), (156, 3153115), (182, 2702670), (195, 2522492), (210, 2342314), (260, 1891869), (273, 1801780), (364, 1351335), (390, 1261246), (420, 1171157), (455, 1081068), (546, 900890), (780, 630623), (910, 540534), (1092, 450445), (1365, 360356), (1820, 270267), (2730, 180178), (5460, 90089)]