221280228

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 192

約数和(自身を含む): 668344320

約数和(自身を除く): 447064092

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 51, 52, 54, 68, 73, 78, 102, 108, 117, 127, 146, 153, 156, 204, 219, 221, 234, 254, 292, 306, 351, 381, 438, 442, 459, 468, 508, 612, 657, 663, 702, 762, 876, 884, 918, 949, 1143, 1241, 1314, 1326, 1404, 1524, 1651, 1836, 1898, 1971, 1989, 2159, 2286, 2482, 2628, 2652, 2847, 3302, 3429, 3723, 3796, 3942, 3978, 4318, 4572, 4953, 4964, 5694, 5967, 6477, 6604, 6858, 7446, 7884, 7956, 8541, 8636, 9271, 9906, 11169, 11388, 11934, 12954, 13716, 14859, 14892, 16133, 17082, 18542, 19431, 19812, 22338, 23868, 25623, 25908, 27813, 28067, 29718, 32266, 33507, 34164, 37084, 38862, 44577, 44676, 48399, 51246, 55626, 56134, 58293, 59436, 64532, 67014, 77724, 83439, 84201, 89154, 96798, 102492, 111252, 112268, 116586, 120523, 134028, 145197, 157607, 166878, 168402, 178308, 193596, 233172, 241046, 250317, 252603, 290394, 315214, 333756, 336804, 361569, 435591, 472821, 482092, 500634, 505206, 580788, 630428, 723138, 757809, 871182, 945642, 1001268, 1010412, 1084707, 1418463, 1446276, 1515618, 1742364, 1891284, 2048891, 2169414, 2836926, 3031236, 3254121, 4097782, 4255389, 4338828, 5673852, 6146673, 6508242, 8195564, 8510778, 12293346, 13016484, 17021556, 18440019, 24586692, 36880038, 55320057, 73760076, 110640114, 221280228]

約数ペア:

[(1, 221280228), (2, 110640114), (3, 73760076), (4, 55320057), (6, 36880038), (9, 24586692), (12, 18440019), (13, 17021556), (17, 13016484), (18, 12293346), (26, 8510778), (27, 8195564), (34, 6508242), (36, 6146673), (39, 5673852), (51, 4338828), (52, 4255389), (54, 4097782), (68, 3254121), (73, 3031236), (78, 2836926), (102, 2169414), (108, 2048891), (117, 1891284), (127, 1742364), (146, 1515618), (153, 1446276), (156, 1418463), (204, 1084707), (219, 1010412), (221, 1001268), (234, 945642), (254, 871182), (292, 757809), (306, 723138), (351, 630428), (381, 580788), (438, 505206), (442, 500634), (459, 482092), (468, 472821), (508, 435591), (612, 361569), (657, 336804), (663, 333756), (702, 315214), (762, 290394), (876, 252603), (884, 250317), (918, 241046), (949, 233172), (1143, 193596), (1241, 178308), (1314, 168402), (1326, 166878), (1404, 157607), (1524, 145197), (1651, 134028), (1836, 120523), (1898, 116586), (1971, 112268), (1989, 111252), (2159, 102492), (2286, 96798), (2482, 89154), (2628, 84201), (2652, 83439), (2847, 77724), (3302, 67014), (3429, 64532), (3723, 59436), (3796, 58293), (3942, 56134), (3978, 55626), (4318, 51246), (4572, 48399), (4953, 44676), (4964, 44577), (5694, 38862), (5967, 37084), (6477, 34164), (6604, 33507), (6858, 32266), (7446, 29718), (7884, 28067), (7956, 27813), (8541, 25908), (8636, 25623), (9271, 23868), (9906, 22338), (11169, 19812), (11388, 19431), (11934, 18542), (12954, 17082), (13716, 16133), (14859, 14892)]