409479680

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^2$

素因数の和:234

約数の個数: 120

約数和(自身を含む): 1050371388

約数和(自身を除く): 640891708

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 97, 128, 136, 160, 170, 194, 256, 272, 320, 340, 388, 485, 512, 544, 640, 680, 776, 970, 1088, 1280, 1360, 1552, 1649, 1940, 2176, 2560, 2720, 3104, 3298, 3880, 4352, 5440, 6208, 6596, 7760, 8245, 8704, 9409, 10880, 12416, 13192, 15520, 16490, 18818, 21760, 24832, 26384, 31040, 32980, 37636, 43520, 47045, 49664, 52768, 62080, 65960, 75272, 94090, 105536, 124160, 131920, 150544, 159953, 188180, 211072, 248320, 263840, 301088, 319906, 376360, 422144, 527680, 602176, 639812, 752720, 799765, 844288, 1055360, 1204352, 1279624, 1505440, 1599530, 2110720, 2408704, 2559248, 3010880, 3199060, 4221440, 4817408, 5118496, 6021760, 6398120, 10236992, 12043520, 12796240, 20473984, 24087040, 25592480, 40947968, 51184960, 81895936, 102369920, 204739840, 409479680]

約数ペア:

[(1, 409479680), (2, 204739840), (4, 102369920), (5, 81895936), (8, 51184960), (10, 40947968), (16, 25592480), (17, 24087040), (20, 20473984), (32, 12796240), (34, 12043520), (40, 10236992), (64, 6398120), (68, 6021760), (80, 5118496), (85, 4817408), (97, 4221440), (128, 3199060), (136, 3010880), (160, 2559248), (170, 2408704), (194, 2110720), (256, 1599530), (272, 1505440), (320, 1279624), (340, 1204352), (388, 1055360), (485, 844288), (512, 799765), (544, 752720), (640, 639812), (680, 602176), (776, 527680), (970, 422144), (1088, 376360), (1280, 319906), (1360, 301088), (1552, 263840), (1649, 248320), (1940, 211072), (2176, 188180), (2560, 159953), (2720, 150544), (3104, 131920), (3298, 124160), (3880, 105536), (4352, 94090), (5440, 75272), (6208, 65960), (6596, 62080), (7760, 52768), (8245, 49664), (8704, 47045), (9409, 43520), (10880, 37636), (12416, 32980), (13192, 31040), (15520, 26384), (16490, 24832), (18818, 21760)]