2850874040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{2011}}^1$

素因数の和:2173

約数の個数: 128

約数和(自身を含む): 7544517120

約数和(自身を除く): 4693643080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 83, 122, 140, 166, 244, 280, 305, 332, 415, 427, 488, 581, 610, 664, 830, 854, 1162, 1220, 1660, 1708, 2011, 2135, 2324, 2440, 2905, 3320, 3416, 4022, 4270, 4648, 5063, 5810, 8044, 8540, 10055, 10126, 11620, 14077, 16088, 17080, 20110, 20252, 23240, 25315, 28154, 35441, 40220, 40504, 50630, 56308, 70385, 70882, 80440, 101260, 112616, 122671, 140770, 141764, 166913, 177205, 202520, 245342, 281540, 283528, 333826, 354410, 490684, 563080, 613355, 667652, 708820, 834565, 858697, 981368, 1168391, 1226710, 1335304, 1417640, 1669130, 1717394, 2336782, 2453420, 3338260, 3434788, 4293485, 4673564, 4906840, 5841955, 6676520, 6869576, 8586970, 9347128, 10181693, 11683910, 17173940, 20363386, 23367820, 34347880, 40726772, 46735640, 50908465, 71271851, 81453544, 101816930, 142543702, 203633860, 285087404, 356359255, 407267720, 570174808, 712718510, 1425437020, 2850874040]

約数ペア:

[(1, 2850874040), (2, 1425437020), (4, 712718510), (5, 570174808), (7, 407267720), (8, 356359255), (10, 285087404), (14, 203633860), (20, 142543702), (28, 101816930), (35, 81453544), (40, 71271851), (56, 50908465), (61, 46735640), (70, 40726772), (83, 34347880), (122, 23367820), (140, 20363386), (166, 17173940), (244, 11683910), (280, 10181693), (305, 9347128), (332, 8586970), (415, 6869576), (427, 6676520), (488, 5841955), (581, 4906840), (610, 4673564), (664, 4293485), (830, 3434788), (854, 3338260), (1162, 2453420), (1220, 2336782), (1660, 1717394), (1708, 1669130), (2011, 1417640), (2135, 1335304), (2324, 1226710), (2440, 1168391), (2905, 981368), (3320, 858697), (3416, 834565), (4022, 708820), (4270, 667652), (4648, 613355), (5063, 563080), (5810, 490684), (8044, 354410), (8540, 333826), (10055, 283528), (10126, 281540), (11620, 245342), (14077, 202520), (16088, 177205), (17080, 166913), (20110, 141764), (20252, 140770), (23240, 122671), (25315, 112616), (28154, 101260), (35441, 80440), (40220, 70882), (40504, 70385), (50630, 56308)]