219497360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1321}}^1$

素因数の和:1432

約数の個数: 80

約数和(自身を含む): 535060992

約数和(自身を除く): 315563632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 67, 80, 124, 134, 155, 248, 268, 310, 335, 496, 536, 620, 670, 1072, 1240, 1321, 1340, 2077, 2480, 2642, 2680, 4154, 5284, 5360, 6605, 8308, 10385, 10568, 13210, 16616, 20770, 21136, 26420, 33232, 40951, 41540, 52840, 81902, 83080, 88507, 105680, 163804, 166160, 177014, 204755, 327608, 354028, 409510, 442535, 655216, 708056, 819020, 885070, 1416112, 1638040, 1770140, 2743717, 3276080, 3540280, 5487434, 7080560, 10974868, 13718585, 21949736, 27437170, 43899472, 54874340, 109748680, 219497360]

約数ペア:

[(1, 219497360), (2, 109748680), (4, 54874340), (5, 43899472), (8, 27437170), (10, 21949736), (16, 13718585), (20, 10974868), (31, 7080560), (40, 5487434), (62, 3540280), (67, 3276080), (80, 2743717), (124, 1770140), (134, 1638040), (155, 1416112), (248, 885070), (268, 819020), (310, 708056), (335, 655216), (496, 442535), (536, 409510), (620, 354028), (670, 327608), (1072, 204755), (1240, 177014), (1321, 166160), (1340, 163804), (2077, 105680), (2480, 88507), (2642, 83080), (2680, 81902), (4154, 52840), (5284, 41540), (5360, 40951), (6605, 33232), (8308, 26420), (10385, 21136), (10568, 20770), (13210, 16616)]