87719660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{36857}}^1$

素因数の和:36890

約数の個数: 48

約数和(自身を含む): 222917184

約数和(自身を除く): 135197524

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 36857, 73714, 147428, 184285, 257999, 368570, 515998, 626569, 737140, 1031996, 1253138, 1289995, 2506276, 2579990, 3132845, 4385983, 5159980, 6265690, 8771966, 12531380, 17543932, 21929915, 43859830, 87719660]

約数ペア:

[(1, 87719660), (2, 43859830), (4, 21929915), (5, 17543932), (7, 12531380), (10, 8771966), (14, 6265690), (17, 5159980), (20, 4385983), (28, 3132845), (34, 2579990), (35, 2506276), (68, 1289995), (70, 1253138), (85, 1031996), (119, 737140), (140, 626569), (170, 515998), (238, 368570), (340, 257999), (476, 184285), (595, 147428), (1190, 73714), (2380, 36857)]