402442496

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 930101760

約数和(自身を除く): 527659264

約数列:

[1, 2, 4, 8, 16, 17, 19, 31, 32, 34, 38, 62, 64, 68, 76, 124, 128, 136, 152, 157, 248, 256, 272, 304, 314, 323, 496, 527, 544, 589, 608, 628, 646, 992, 1054, 1088, 1178, 1216, 1256, 1292, 1984, 2108, 2176, 2356, 2432, 2512, 2584, 2669, 2983, 3968, 4216, 4352, 4712, 4864, 4867, 5024, 5168, 5338, 5966, 7936, 8432, 9424, 9734, 10013, 10048, 10336, 10676, 11932, 16864, 18848, 19468, 20026, 20096, 20672, 21352, 23864, 33728, 37696, 38936, 40052, 40192, 41344, 42704, 47728, 50711, 67456, 75392, 77872, 80104, 82688, 82739, 85408, 92473, 95456, 101422, 134912, 150784, 155744, 160208, 165478, 170816, 184946, 190912, 202844, 311488, 320416, 330956, 341632, 369892, 381824, 405688, 622976, 640832, 661912, 683264, 739784, 763648, 811376, 1245952, 1281664, 1323824, 1479568, 1572041, 1622752, 2563328, 2647648, 2959136, 3144082, 3245504, 5295296, 5918272, 6288164, 6491008, 10590592, 11836544, 12576328, 12982016, 21181184, 23673088, 25152656, 50305312, 100610624, 201221248, 402442496]

約数ペア:

[(1, 402442496), (2, 201221248), (4, 100610624), (8, 50305312), (16, 25152656), (17, 23673088), (19, 21181184), (31, 12982016), (32, 12576328), (34, 11836544), (38, 10590592), (62, 6491008), (64, 6288164), (68, 5918272), (76, 5295296), (124, 3245504), (128, 3144082), (136, 2959136), (152, 2647648), (157, 2563328), (248, 1622752), (256, 1572041), (272, 1479568), (304, 1323824), (314, 1281664), (323, 1245952), (496, 811376), (527, 763648), (544, 739784), (589, 683264), (608, 661912), (628, 640832), (646, 622976), (992, 405688), (1054, 381824), (1088, 369892), (1178, 341632), (1216, 330956), (1256, 320416), (1292, 311488), (1984, 202844), (2108, 190912), (2176, 184946), (2356, 170816), (2432, 165478), (2512, 160208), (2584, 155744), (2669, 150784), (2983, 134912), (3968, 101422), (4216, 95456), (4352, 92473), (4712, 85408), (4864, 82739), (4867, 82688), (5024, 80104), (5168, 77872), (5338, 75392), (5966, 67456), (7936, 50711), (8432, 47728), (9424, 42704), (9734, 41344), (10013, 40192), (10048, 40052), (10336, 38936), (10676, 37696), (11932, 33728), (16864, 23864), (18848, 21352), (19468, 20672), (20026, 20096)]