210931840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:462

約数の個数: 128

約数和(自身を含む): 581644800

約数和(自身を除く): 370712960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 197, 224, 239, 280, 320, 394, 448, 478, 560, 640, 788, 896, 956, 985, 1120, 1195, 1379, 1576, 1673, 1912, 1970, 2240, 2390, 2758, 3152, 3346, 3824, 3940, 4480, 4780, 5516, 6304, 6692, 6895, 7648, 7880, 8365, 9560, 11032, 12608, 13384, 13790, 15296, 15760, 16730, 19120, 22064, 25216, 26768, 27580, 30592, 31520, 33460, 38240, 44128, 47083, 53536, 55160, 63040, 66920, 76480, 88256, 94166, 107072, 110320, 126080, 133840, 152960, 176512, 188332, 214144, 220640, 235415, 267680, 329581, 376664, 441280, 470830, 535360, 659162, 753328, 882560, 941660, 1070720, 1318324, 1506656, 1647905, 1883320, 2636648, 3013312, 3295810, 3766640, 5273296, 6026624, 6591620, 7533280, 10546592, 13183240, 15066560, 21093184, 26366480, 30133120, 42186368, 52732960, 105465920, 210931840]

約数ペア:

[(1, 210931840), (2, 105465920), (4, 52732960), (5, 42186368), (7, 30133120), (8, 26366480), (10, 21093184), (14, 15066560), (16, 13183240), (20, 10546592), (28, 7533280), (32, 6591620), (35, 6026624), (40, 5273296), (56, 3766640), (64, 3295810), (70, 3013312), (80, 2636648), (112, 1883320), (128, 1647905), (140, 1506656), (160, 1318324), (197, 1070720), (224, 941660), (239, 882560), (280, 753328), (320, 659162), (394, 535360), (448, 470830), (478, 441280), (560, 376664), (640, 329581), (788, 267680), (896, 235415), (956, 220640), (985, 214144), (1120, 188332), (1195, 176512), (1379, 152960), (1576, 133840), (1673, 126080), (1912, 110320), (1970, 107072), (2240, 94166), (2390, 88256), (2758, 76480), (3152, 66920), (3346, 63040), (3824, 55160), (3940, 53536), (4480, 47083), (4780, 44128), (5516, 38240), (6304, 33460), (6692, 31520), (6895, 30592), (7648, 27580), (7880, 26768), (8365, 25216), (9560, 22064), (11032, 19120), (12608, 16730), (13384, 15760), (13790, 15296)]