220208072

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 531878400

約数和(自身を除く): 311670328

約数列:

[1, 2, 4, 7, 8, 14, 17, 23, 28, 34, 46, 56, 68, 89, 92, 113, 119, 136, 161, 178, 184, 226, 238, 322, 356, 391, 452, 476, 623, 644, 712, 782, 791, 904, 952, 1246, 1288, 1513, 1564, 1582, 1921, 2047, 2492, 2599, 2737, 3026, 3128, 3164, 3842, 4094, 4984, 5198, 5474, 6052, 6328, 7684, 8188, 10057, 10396, 10591, 10948, 12104, 13447, 14329, 15368, 16376, 18193, 20114, 20792, 21182, 21896, 26894, 28658, 34799, 36386, 40228, 42364, 44183, 53788, 57316, 69598, 70399, 72772, 80456, 84728, 88366, 107576, 114632, 139196, 140798, 145544, 170969, 176732, 231311, 243593, 278392, 281596, 309281, 341938, 353464, 462622, 487186, 563192, 618562, 683876, 925244, 974372, 1196783, 1237124, 1367752, 1619177, 1850488, 1948744, 2393566, 2474248, 3238354, 3932287, 4787132, 6476708, 7864574, 9574264, 12953416, 15729148, 27526009, 31458296, 55052018, 110104036, 220208072]

約数ペア:

[(1, 220208072), (2, 110104036), (4, 55052018), (7, 31458296), (8, 27526009), (14, 15729148), (17, 12953416), (23, 9574264), (28, 7864574), (34, 6476708), (46, 4787132), (56, 3932287), (68, 3238354), (89, 2474248), (92, 2393566), (113, 1948744), (119, 1850488), (136, 1619177), (161, 1367752), (178, 1237124), (184, 1196783), (226, 974372), (238, 925244), (322, 683876), (356, 618562), (391, 563192), (452, 487186), (476, 462622), (623, 353464), (644, 341938), (712, 309281), (782, 281596), (791, 278392), (904, 243593), (952, 231311), (1246, 176732), (1288, 170969), (1513, 145544), (1564, 140798), (1582, 139196), (1921, 114632), (2047, 107576), (2492, 88366), (2599, 84728), (2737, 80456), (3026, 72772), (3128, 70399), (3164, 69598), (3842, 57316), (4094, 53788), (4984, 44183), (5198, 42364), (5474, 40228), (6052, 36386), (6328, 34799), (7684, 28658), (8188, 26894), (10057, 21896), (10396, 21182), (10591, 20792), (10948, 20114), (12104, 18193), (13447, 16376), (14329, 15368)]