221144560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:891

約数の個数: 160

約数和(自身を含む): 650708352

約数和(自身を除く): 429563792

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 80, 91, 104, 112, 130, 140, 148, 182, 185, 208, 259, 260, 280, 296, 364, 370, 455, 481, 518, 520, 560, 592, 728, 740, 821, 910, 962, 1036, 1040, 1295, 1456, 1480, 1642, 1820, 1924, 2072, 2405, 2590, 2960, 3284, 3367, 3640, 3848, 4105, 4144, 4810, 5180, 5747, 6568, 6734, 7280, 7696, 8210, 9620, 10360, 10673, 11494, 13136, 13468, 16420, 16835, 19240, 20720, 21346, 22988, 26936, 28735, 30377, 32840, 33670, 38480, 42692, 45976, 53365, 53872, 57470, 60754, 65680, 67340, 74711, 85384, 91952, 106730, 114940, 121508, 134680, 149422, 151885, 170768, 212639, 213460, 229880, 243016, 269360, 298844, 303770, 373555, 394901, 425278, 426920, 459760, 486032, 597688, 607540, 747110, 789802, 850556, 853840, 1063195, 1195376, 1215080, 1494220, 1579604, 1701112, 1974505, 2126390, 2430160, 2764307, 2988440, 3159208, 3402224, 3949010, 4252780, 5528614, 5976880, 6318416, 7898020, 8505560, 11057228, 13821535, 15796040, 17011120, 22114456, 27643070, 31592080, 44228912, 55286140, 110572280, 221144560]

約数ペア:

[(1, 221144560), (2, 110572280), (4, 55286140), (5, 44228912), (7, 31592080), (8, 27643070), (10, 22114456), (13, 17011120), (14, 15796040), (16, 13821535), (20, 11057228), (26, 8505560), (28, 7898020), (35, 6318416), (37, 5976880), (40, 5528614), (52, 4252780), (56, 3949010), (65, 3402224), (70, 3159208), (74, 2988440), (80, 2764307), (91, 2430160), (104, 2126390), (112, 1974505), (130, 1701112), (140, 1579604), (148, 1494220), (182, 1215080), (185, 1195376), (208, 1063195), (259, 853840), (260, 850556), (280, 789802), (296, 747110), (364, 607540), (370, 597688), (455, 486032), (481, 459760), (518, 426920), (520, 425278), (560, 394901), (592, 373555), (728, 303770), (740, 298844), (821, 269360), (910, 243016), (962, 229880), (1036, 213460), (1040, 212639), (1295, 170768), (1456, 151885), (1480, 149422), (1642, 134680), (1820, 121508), (1924, 114940), (2072, 106730), (2405, 91952), (2590, 85384), (2960, 74711), (3284, 67340), (3367, 65680), (3640, 60754), (3848, 57470), (4105, 53872), (4144, 53365), (4810, 45976), (5180, 42692), (5747, 38480), (6568, 33670), (6734, 32840), (7280, 30377), (7696, 28735), (8210, 26936), (9620, 22988), (10360, 21346), (10673, 20720), (11494, 19240), (13136, 16835), (13468, 16420)]