219317560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2297}}^1$

素因数の和:2357

約数の個数: 128

約数和(自身を含む): 635351040

約数和(自身を除く): 416033480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 616, 620, 682, 770, 868, 1085, 1240, 1364, 1540, 1705, 1736, 2170, 2297, 2387, 2728, 3080, 3410, 4340, 4594, 4774, 6820, 8680, 9188, 9548, 11485, 11935, 13640, 16079, 18376, 19096, 22970, 23870, 25267, 32158, 45940, 47740, 50534, 64316, 71207, 80395, 91880, 95480, 101068, 126335, 128632, 142414, 160790, 176869, 202136, 252670, 284828, 321580, 353738, 356035, 498449, 505340, 569656, 643160, 707476, 712070, 783277, 884345, 996898, 1010680, 1414952, 1424140, 1566554, 1768690, 1993796, 2492245, 2848280, 3133108, 3537380, 3916385, 3987592, 4984490, 5482939, 6266216, 7074760, 7832770, 9968980, 10965878, 15665540, 19937960, 21931756, 27414695, 31331080, 43863512, 54829390, 109658780, 219317560]

約数ペア:

[(1, 219317560), (2, 109658780), (4, 54829390), (5, 43863512), (7, 31331080), (8, 27414695), (10, 21931756), (11, 19937960), (14, 15665540), (20, 10965878), (22, 9968980), (28, 7832770), (31, 7074760), (35, 6266216), (40, 5482939), (44, 4984490), (55, 3987592), (56, 3916385), (62, 3537380), (70, 3133108), (77, 2848280), (88, 2492245), (110, 1993796), (124, 1768690), (140, 1566554), (154, 1424140), (155, 1414952), (217, 1010680), (220, 996898), (248, 884345), (280, 783277), (308, 712070), (310, 707476), (341, 643160), (385, 569656), (434, 505340), (440, 498449), (616, 356035), (620, 353738), (682, 321580), (770, 284828), (868, 252670), (1085, 202136), (1240, 176869), (1364, 160790), (1540, 142414), (1705, 128632), (1736, 126335), (2170, 101068), (2297, 95480), (2387, 91880), (2728, 80395), (3080, 71207), (3410, 64316), (4340, 50534), (4594, 47740), (4774, 45940), (6820, 32158), (8680, 25267), (9188, 23870), (9548, 22970), (11485, 19096), (11935, 18376), (13640, 16079)]