233838640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1979}}^1$

素因数の和:2210

約数の個数: 80

約数和(自身を含む): 624602880

約数和(自身を除く): 390764240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 211, 280, 422, 560, 844, 1055, 1477, 1688, 1979, 2110, 2954, 3376, 3958, 4220, 5908, 7385, 7916, 8440, 9895, 11816, 13853, 14770, 15832, 16880, 19790, 23632, 27706, 29540, 31664, 39580, 55412, 59080, 69265, 79160, 110824, 118160, 138530, 158320, 221648, 277060, 417569, 554120, 835138, 1108240, 1670276, 2087845, 2922983, 3340552, 4175690, 5845966, 6681104, 8351380, 11691932, 14614915, 16702760, 23383864, 29229830, 33405520, 46767728, 58459660, 116919320, 233838640]

約数ペア:

[(1, 233838640), (2, 116919320), (4, 58459660), (5, 46767728), (7, 33405520), (8, 29229830), (10, 23383864), (14, 16702760), (16, 14614915), (20, 11691932), (28, 8351380), (35, 6681104), (40, 5845966), (56, 4175690), (70, 3340552), (80, 2922983), (112, 2087845), (140, 1670276), (211, 1108240), (280, 835138), (422, 554120), (560, 417569), (844, 277060), (1055, 221648), (1477, 158320), (1688, 138530), (1979, 118160), (2110, 110824), (2954, 79160), (3376, 69265), (3958, 59080), (4220, 55412), (5908, 39580), (7385, 31664), (7916, 29540), (8440, 27706), (9895, 23632), (11816, 19790), (13853, 16880), (14770, 15832)]