278323472

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1429}}^1$

素因数の和:1528

約数の個数: 80

約数和(自身を含む): 646863360

約数和(自身を除く): 368539888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 47, 56, 74, 94, 112, 148, 188, 259, 296, 329, 376, 518, 592, 658, 752, 1036, 1316, 1429, 1739, 2072, 2632, 2858, 3478, 4144, 5264, 5716, 6956, 10003, 11432, 12173, 13912, 20006, 22864, 24346, 27824, 40012, 48692, 52873, 67163, 80024, 97384, 105746, 134326, 160048, 194768, 211492, 268652, 370111, 422984, 470141, 537304, 740222, 845968, 940282, 1074608, 1480444, 1880564, 2485031, 2960888, 3761128, 4970062, 5921776, 7522256, 9940124, 17395217, 19880248, 34790434, 39760496, 69580868, 139161736, 278323472]

約数ペア:

[(1, 278323472), (2, 139161736), (4, 69580868), (7, 39760496), (8, 34790434), (14, 19880248), (16, 17395217), (28, 9940124), (37, 7522256), (47, 5921776), (56, 4970062), (74, 3761128), (94, 2960888), (112, 2485031), (148, 1880564), (188, 1480444), (259, 1074608), (296, 940282), (329, 845968), (376, 740222), (518, 537304), (592, 470141), (658, 422984), (752, 370111), (1036, 268652), (1316, 211492), (1429, 194768), (1739, 160048), (2072, 134326), (2632, 105746), (2858, 97384), (3478, 80024), (4144, 67163), (5264, 52873), (5716, 48692), (6956, 40012), (10003, 27824), (11432, 24346), (12173, 22864), (13912, 20006)]