2021875240

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13397}}^1$

素因数の和:13440

約数の個数: 128

約数和(自身を含む): 5787936000

約数和(自身を除く): 3766060760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 343, 385, 392, 440, 490, 539, 616, 686, 770, 980, 1078, 1372, 1540, 1715, 1960, 2156, 2695, 2744, 3080, 3430, 3773, 4312, 5390, 6860, 7546, 10780, 13397, 13720, 15092, 18865, 21560, 26794, 30184, 37730, 53588, 66985, 75460, 93779, 107176, 133970, 147367, 150920, 187558, 267940, 294734, 375116, 468895, 535880, 589468, 656453, 736835, 750232, 937790, 1031569, 1178936, 1312906, 1473670, 1875580, 2063138, 2625812, 2947340, 3282265, 3751160, 4126276, 4595171, 5157845, 5251624, 5894680, 6564530, 7220983, 8252552, 9190342, 10315690, 13129060, 14441966, 18380684, 20631380, 22975855, 26258120, 28883932, 36104915, 36761368, 41262760, 45951710, 50546881, 57767864, 72209830, 91903420, 101093762, 144419660, 183806840, 202187524, 252734405, 288839320, 404375048, 505468810, 1010937620, 2021875240]

約数ペア:

[(1, 2021875240), (2, 1010937620), (4, 505468810), (5, 404375048), (7, 288839320), (8, 252734405), (10, 202187524), (11, 183806840), (14, 144419660), (20, 101093762), (22, 91903420), (28, 72209830), (35, 57767864), (40, 50546881), (44, 45951710), (49, 41262760), (55, 36761368), (56, 36104915), (70, 28883932), (77, 26258120), (88, 22975855), (98, 20631380), (110, 18380684), (140, 14441966), (154, 13129060), (196, 10315690), (220, 9190342), (245, 8252552), (280, 7220983), (308, 6564530), (343, 5894680), (385, 5251624), (392, 5157845), (440, 4595171), (490, 4126276), (539, 3751160), (616, 3282265), (686, 2947340), (770, 2625812), (980, 2063138), (1078, 1875580), (1372, 1473670), (1540, 1312906), (1715, 1178936), (1960, 1031569), (2156, 937790), (2695, 750232), (2744, 736835), (3080, 656453), (3430, 589468), (3773, 535880), (4312, 468895), (5390, 375116), (6860, 294734), (7546, 267940), (10780, 187558), (13397, 150920), (13720, 147367), (15092, 133970), (18865, 107176), (21560, 93779), (26794, 75460), (30184, 66985), (37730, 53588)]