1990511136

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2617}}^1$

素因数の和:2791

約数の個数: 144

約数和(自身を含む): 6003597600

約数和(自身を除く): 4013086464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 139, 144, 152, 171, 228, 278, 288, 304, 342, 417, 456, 556, 608, 684, 834, 912, 1112, 1251, 1368, 1668, 1824, 2224, 2502, 2617, 2641, 2736, 3336, 4448, 5004, 5234, 5282, 5472, 6672, 7851, 7923, 10008, 10468, 10564, 13344, 15702, 15846, 20016, 20936, 21128, 23553, 23769, 31404, 31692, 40032, 41872, 42256, 47106, 47538, 49723, 62808, 63384, 83744, 84512, 94212, 95076, 99446, 125616, 126768, 149169, 188424, 190152, 198892, 251232, 253536, 298338, 363763, 376848, 380304, 397784, 447507, 596676, 727526, 753696, 760608, 795568, 895014, 1091289, 1193352, 1455052, 1591136, 1790028, 2182578, 2386704, 2910104, 3273867, 3580056, 4365156, 4773408, 5820208, 6547734, 6911497, 7160112, 8730312, 11640416, 13095468, 13822994, 14320224, 17460624, 20734491, 26190936, 27645988, 34921248, 41468982, 52381872, 55291976, 62203473, 82937964, 104763744, 110583952, 124406946, 165875928, 221167904, 248813892, 331751856, 497627784, 663503712, 995255568, 1990511136]

約数ペア:

[(1, 1990511136), (2, 995255568), (3, 663503712), (4, 497627784), (6, 331751856), (8, 248813892), (9, 221167904), (12, 165875928), (16, 124406946), (18, 110583952), (19, 104763744), (24, 82937964), (32, 62203473), (36, 55291976), (38, 52381872), (48, 41468982), (57, 34921248), (72, 27645988), (76, 26190936), (96, 20734491), (114, 17460624), (139, 14320224), (144, 13822994), (152, 13095468), (171, 11640416), (228, 8730312), (278, 7160112), (288, 6911497), (304, 6547734), (342, 5820208), (417, 4773408), (456, 4365156), (556, 3580056), (608, 3273867), (684, 2910104), (834, 2386704), (912, 2182578), (1112, 1790028), (1251, 1591136), (1368, 1455052), (1668, 1193352), (1824, 1091289), (2224, 895014), (2502, 795568), (2617, 760608), (2641, 753696), (2736, 727526), (3336, 596676), (4448, 447507), (5004, 397784), (5234, 380304), (5282, 376848), (5472, 363763), (6672, 298338), (7851, 253536), (7923, 251232), (10008, 198892), (10468, 190152), (10564, 188424), (13344, 149169), (15702, 126768), (15846, 125616), (20016, 99446), (20936, 95076), (21128, 94212), (23553, 84512), (23769, 83744), (31404, 63384), (31692, 62808), (40032, 49723), (41872, 47538), (42256, 47106)]