199956456

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 216

約数和(自身を含む): 669100770

約数和(自身を除く): 469144314

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 28, 36, 38, 42, 49, 56, 57, 63, 72, 76, 84, 98, 114, 126, 133, 147, 152, 157, 168, 171, 196, 228, 252, 266, 294, 314, 342, 361, 392, 399, 441, 456, 471, 504, 532, 588, 628, 684, 722, 798, 882, 931, 942, 1064, 1083, 1099, 1176, 1197, 1256, 1368, 1413, 1444, 1596, 1764, 1862, 1884, 2166, 2198, 2394, 2527, 2793, 2826, 2888, 2983, 3192, 3249, 3297, 3528, 3724, 3768, 4332, 4396, 4788, 5054, 5586, 5652, 5966, 6498, 6594, 7448, 7581, 7693, 8379, 8664, 8792, 8949, 9576, 9891, 10108, 11172, 11304, 11932, 12996, 13188, 15162, 15386, 16758, 17689, 17898, 19782, 20216, 20881, 22344, 22743, 23079, 23864, 25992, 26376, 26847, 30324, 30772, 33516, 35378, 35796, 39564, 41762, 45486, 46158, 53067, 53694, 56677, 60648, 61544, 62643, 67032, 69237, 70756, 71592, 79128, 83524, 90972, 92316, 106134, 107388, 113354, 125286, 138474, 141512, 146167, 159201, 167048, 170031, 181944, 184632, 187929, 212268, 214776, 226708, 250572, 276948, 292334, 318402, 340062, 375858, 396739, 424536, 438501, 453416, 501144, 510093, 553896, 584668, 636804, 680124, 751716, 793478, 877002, 1020186, 1169336, 1190217, 1273608, 1315503, 1360248, 1503432, 1586956, 1754004, 2040372, 2380434, 2631006, 2777173, 3173912, 3508008, 3570651, 4080744, 4760868, 5262012, 5554346, 7141302, 8331519, 9521736, 10524024, 11108692, 14282604, 16663038, 22217384, 24994557, 28565208, 33326076, 49989114, 66652152, 99978228, 199956456]

約数ペア:

[(1, 199956456), (2, 99978228), (3, 66652152), (4, 49989114), (6, 33326076), (7, 28565208), (8, 24994557), (9, 22217384), (12, 16663038), (14, 14282604), (18, 11108692), (19, 10524024), (21, 9521736), (24, 8331519), (28, 7141302), (36, 5554346), (38, 5262012), (42, 4760868), (49, 4080744), (56, 3570651), (57, 3508008), (63, 3173912), (72, 2777173), (76, 2631006), (84, 2380434), (98, 2040372), (114, 1754004), (126, 1586956), (133, 1503432), (147, 1360248), (152, 1315503), (157, 1273608), (168, 1190217), (171, 1169336), (196, 1020186), (228, 877002), (252, 793478), (266, 751716), (294, 680124), (314, 636804), (342, 584668), (361, 553896), (392, 510093), (399, 501144), (441, 453416), (456, 438501), (471, 424536), (504, 396739), (532, 375858), (588, 340062), (628, 318402), (684, 292334), (722, 276948), (798, 250572), (882, 226708), (931, 214776), (942, 212268), (1064, 187929), (1083, 184632), (1099, 181944), (1176, 170031), (1197, 167048), (1256, 159201), (1368, 146167), (1413, 141512), (1444, 138474), (1596, 125286), (1764, 113354), (1862, 107388), (1884, 106134), (2166, 92316), (2198, 90972), (2394, 83524), (2527, 79128), (2793, 71592), (2826, 70756), (2888, 69237), (2983, 67032), (3192, 62643), (3249, 61544), (3297, 60648), (3528, 56677), (3724, 53694), (3768, 53067), (4332, 46158), (4396, 45486), (4788, 41762), (5054, 39564), (5586, 35796), (5652, 35378), (5966, 33516), (6498, 30772), (6594, 30324), (7448, 26847), (7581, 26376), (7693, 25992), (8379, 23864), (8664, 23079), (8792, 22743), (8949, 22344), (9576, 20881), (9891, 20216), (10108, 19782), (11172, 17898), (11304, 17689), (11932, 16758), (12996, 15386), (13188, 15162)]