404391520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:237

約数の個数: 192

約数和(自身を含む): 1097349120

約数和(自身を除く): 692957600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 65, 79, 80, 92, 104, 107, 115, 130, 158, 160, 184, 208, 214, 230, 260, 299, 316, 368, 395, 416, 428, 460, 520, 535, 598, 632, 736, 790, 856, 920, 1027, 1040, 1070, 1196, 1264, 1391, 1495, 1580, 1712, 1817, 1840, 2054, 2080, 2140, 2392, 2461, 2528, 2782, 2990, 3160, 3424, 3634, 3680, 4108, 4280, 4784, 4922, 5135, 5564, 5980, 6320, 6955, 7268, 8216, 8453, 8560, 9085, 9568, 9844, 10270, 11128, 11960, 12305, 12640, 13910, 14536, 16432, 16906, 17120, 18170, 19688, 20540, 22256, 23621, 23920, 24610, 27820, 29072, 31993, 32864, 33812, 36340, 39376, 41080, 42265, 44512, 47242, 47840, 49220, 55640, 58144, 63986, 67624, 72680, 78752, 82160, 84530, 94484, 98440, 109889, 111280, 118105, 127972, 135248, 145360, 159965, 164320, 169060, 188968, 194419, 196880, 219778, 222560, 236210, 255944, 270496, 290720, 319930, 338120, 377936, 388838, 393760, 439556, 472420, 511888, 549445, 639860, 676240, 755872, 777676, 879112, 944840, 972095, 1023776, 1098890, 1279720, 1352480, 1555352, 1758224, 1889680, 1944190, 2197780, 2527447, 2559440, 3110704, 3516448, 3779360, 3888380, 4395560, 5054894, 5118880, 6221408, 7776760, 8791120, 10109788, 12637235, 15553520, 17582240, 20219576, 25274470, 31107040, 40439152, 50548940, 80878304, 101097880, 202195760, 404391520]

約数ペア:

[(1, 404391520), (2, 202195760), (4, 101097880), (5, 80878304), (8, 50548940), (10, 40439152), (13, 31107040), (16, 25274470), (20, 20219576), (23, 17582240), (26, 15553520), (32, 12637235), (40, 10109788), (46, 8791120), (52, 7776760), (65, 6221408), (79, 5118880), (80, 5054894), (92, 4395560), (104, 3888380), (107, 3779360), (115, 3516448), (130, 3110704), (158, 2559440), (160, 2527447), (184, 2197780), (208, 1944190), (214, 1889680), (230, 1758224), (260, 1555352), (299, 1352480), (316, 1279720), (368, 1098890), (395, 1023776), (416, 972095), (428, 944840), (460, 879112), (520, 777676), (535, 755872), (598, 676240), (632, 639860), (736, 549445), (790, 511888), (856, 472420), (920, 439556), (1027, 393760), (1040, 388838), (1070, 377936), (1196, 338120), (1264, 319930), (1391, 290720), (1495, 270496), (1580, 255944), (1712, 236210), (1817, 222560), (1840, 219778), (2054, 196880), (2080, 194419), (2140, 188968), (2392, 169060), (2461, 164320), (2528, 159965), (2782, 145360), (2990, 135248), (3160, 127972), (3424, 118105), (3634, 111280), (3680, 109889), (4108, 98440), (4280, 94484), (4784, 84530), (4922, 82160), (5135, 78752), (5564, 72680), (5980, 67624), (6320, 63986), (6955, 58144), (7268, 55640), (8216, 49220), (8453, 47840), (8560, 47242), (9085, 44512), (9568, 42265), (9844, 41080), (10270, 39376), (11128, 36340), (11960, 33812), (12305, 32864), (12640, 31993), (13910, 29072), (14536, 27820), (16432, 24610), (16906, 23920), (17120, 23621), (18170, 22256), (19688, 20540)]