405141880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 192

約数和(自身を含む): 1110049920

約数和(自身を除く): 704908040

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 47, 52, 55, 65, 88, 94, 104, 110, 121, 130, 137, 143, 188, 220, 235, 242, 260, 274, 286, 376, 440, 470, 484, 517, 520, 548, 572, 605, 611, 685, 715, 940, 968, 1034, 1096, 1144, 1210, 1222, 1370, 1430, 1507, 1573, 1781, 1880, 2068, 2420, 2444, 2585, 2740, 2860, 3014, 3055, 3146, 3562, 4136, 4840, 4888, 5170, 5480, 5687, 5720, 6028, 6110, 6292, 6439, 6721, 7124, 7535, 7865, 8905, 10340, 11374, 12056, 12220, 12584, 12878, 13442, 14248, 15070, 15730, 16577, 17810, 19591, 20680, 22748, 24440, 25756, 26884, 28435, 30140, 31460, 32195, 33154, 33605, 35620, 39182, 45496, 51512, 53768, 56870, 60280, 62920, 64390, 66308, 67210, 70829, 71240, 73931, 78364, 82885, 83707, 97955, 113740, 128780, 132616, 134420, 141658, 147862, 156728, 165770, 167414, 195910, 215501, 227480, 257560, 268840, 283316, 295724, 331540, 334828, 354145, 369655, 391820, 418535, 431002, 566632, 591448, 663080, 669656, 708290, 739310, 779119, 783640, 837070, 862004, 920777, 1077505, 1416580, 1478620, 1558238, 1674140, 1724008, 1841554, 2155010, 2833160, 2957240, 3116476, 3348280, 3683108, 3895595, 4310020, 4603885, 6232952, 7366216, 7791190, 8620040, 9207770, 10128547, 15582380, 18415540, 20257094, 31164760, 36831080, 40514188, 50642735, 81028376, 101285470, 202570940, 405141880]

約数ペア:

[(1, 405141880), (2, 202570940), (4, 101285470), (5, 81028376), (8, 50642735), (10, 40514188), (11, 36831080), (13, 31164760), (20, 20257094), (22, 18415540), (26, 15582380), (40, 10128547), (44, 9207770), (47, 8620040), (52, 7791190), (55, 7366216), (65, 6232952), (88, 4603885), (94, 4310020), (104, 3895595), (110, 3683108), (121, 3348280), (130, 3116476), (137, 2957240), (143, 2833160), (188, 2155010), (220, 1841554), (235, 1724008), (242, 1674140), (260, 1558238), (274, 1478620), (286, 1416580), (376, 1077505), (440, 920777), (470, 862004), (484, 837070), (517, 783640), (520, 779119), (548, 739310), (572, 708290), (605, 669656), (611, 663080), (685, 591448), (715, 566632), (940, 431002), (968, 418535), (1034, 391820), (1096, 369655), (1144, 354145), (1210, 334828), (1222, 331540), (1370, 295724), (1430, 283316), (1507, 268840), (1573, 257560), (1781, 227480), (1880, 215501), (2068, 195910), (2420, 167414), (2444, 165770), (2585, 156728), (2740, 147862), (2860, 141658), (3014, 134420), (3055, 132616), (3146, 128780), (3562, 113740), (4136, 97955), (4840, 83707), (4888, 82885), (5170, 78364), (5480, 73931), (5687, 71240), (5720, 70829), (6028, 67210), (6110, 66308), (6292, 64390), (6439, 62920), (6721, 60280), (7124, 56870), (7535, 53768), (7865, 51512), (8905, 45496), (10340, 39182), (11374, 35620), (12056, 33605), (12220, 33154), (12584, 32195), (12878, 31460), (13442, 30140), (14248, 28435), (15070, 26884), (15730, 25756), (16577, 24440), (17810, 22748), (19591, 20680)]