199781504

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 128

約数和(自身を含む): 462672000

約数和(自身を除く): 262890496

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 71, 76, 89, 104, 128, 142, 152, 178, 208, 247, 284, 304, 356, 416, 494, 568, 608, 712, 832, 923, 988, 1136, 1157, 1216, 1349, 1424, 1664, 1691, 1846, 1976, 2272, 2314, 2432, 2698, 2848, 3382, 3692, 3952, 4544, 4628, 5396, 5696, 6319, 6764, 7384, 7904, 9088, 9256, 10792, 11392, 12638, 13528, 14768, 15808, 17537, 18512, 21584, 21983, 25276, 27056, 29536, 31616, 35074, 37024, 43168, 43966, 50552, 54112, 59072, 70148, 74048, 82147, 86336, 87932, 101104, 108224, 118144, 120061, 140296, 148096, 164294, 172672, 175864, 202208, 216448, 240122, 280592, 328588, 351728, 404416, 480244, 561184, 657176, 703456, 808832, 960488, 1122368, 1314352, 1406912, 1560793, 1920976, 2244736, 2628704, 2813824, 3121586, 3841952, 5257408, 6243172, 7683904, 10514816, 12486344, 15367808, 24972688, 49945376, 99890752, 199781504]

約数ペア:

[(1, 199781504), (2, 99890752), (4, 49945376), (8, 24972688), (13, 15367808), (16, 12486344), (19, 10514816), (26, 7683904), (32, 6243172), (38, 5257408), (52, 3841952), (64, 3121586), (71, 2813824), (76, 2628704), (89, 2244736), (104, 1920976), (128, 1560793), (142, 1406912), (152, 1314352), (178, 1122368), (208, 960488), (247, 808832), (284, 703456), (304, 657176), (356, 561184), (416, 480244), (494, 404416), (568, 351728), (608, 328588), (712, 280592), (832, 240122), (923, 216448), (988, 202208), (1136, 175864), (1157, 172672), (1216, 164294), (1349, 148096), (1424, 140296), (1664, 120061), (1691, 118144), (1846, 108224), (1976, 101104), (2272, 87932), (2314, 86336), (2432, 82147), (2698, 74048), (2848, 70148), (3382, 59072), (3692, 54112), (3952, 50552), (4544, 43966), (4628, 43168), (5396, 37024), (5696, 35074), (6319, 31616), (6764, 29536), (7384, 27056), (7904, 25276), (9088, 21983), (9256, 21584), (10792, 18512), (11392, 17537), (12638, 15808), (13528, 14768)]