205071760

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2389}}^1$

素因数の和:2468

約数の個数: 80

約数和(自身を含む): 506775600

約数和(自身を除く): 301703840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 37, 40, 58, 74, 80, 116, 145, 148, 185, 232, 290, 296, 370, 464, 580, 592, 740, 1073, 1160, 1480, 2146, 2320, 2389, 2960, 4292, 4778, 5365, 8584, 9556, 10730, 11945, 17168, 19112, 21460, 23890, 38224, 42920, 47780, 69281, 85840, 88393, 95560, 138562, 176786, 191120, 277124, 346405, 353572, 441965, 554248, 692810, 707144, 883930, 1108496, 1385620, 1414288, 1767860, 2563397, 2771240, 3535720, 5126794, 5542480, 7071440, 10253588, 12816985, 20507176, 25633970, 41014352, 51267940, 102535880, 205071760]

約数ペア:

[(1, 205071760), (2, 102535880), (4, 51267940), (5, 41014352), (8, 25633970), (10, 20507176), (16, 12816985), (20, 10253588), (29, 7071440), (37, 5542480), (40, 5126794), (58, 3535720), (74, 2771240), (80, 2563397), (116, 1767860), (145, 1414288), (148, 1385620), (185, 1108496), (232, 883930), (290, 707144), (296, 692810), (370, 554248), (464, 441965), (580, 353572), (592, 346405), (740, 277124), (1073, 191120), (1160, 176786), (1480, 138562), (2146, 95560), (2320, 88393), (2389, 85840), (2960, 69281), (4292, 47780), (4778, 42920), (5365, 38224), (8584, 23890), (9556, 21460), (10730, 19112), (11945, 17168)]