200044540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 449336160

約数和(自身を除く): 249291620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 269, 361, 380, 412, 515, 538, 722, 1030, 1076, 1345, 1444, 1805, 1957, 2060, 2690, 3610, 3914, 5111, 5380, 7220, 7828, 9785, 10222, 19570, 20444, 25555, 27707, 37183, 39140, 51110, 55414, 74366, 97109, 102220, 110828, 138535, 148732, 185915, 194218, 277070, 371830, 388436, 485545, 526433, 554140, 743660, 971090, 1052866, 1942180, 2105732, 2632165, 5264330, 10002227, 10528660, 20004454, 40008908, 50011135, 100022270, 200044540]

約数ペア:

[(1, 200044540), (2, 100022270), (4, 50011135), (5, 40008908), (10, 20004454), (19, 10528660), (20, 10002227), (38, 5264330), (76, 2632165), (95, 2105732), (103, 1942180), (190, 1052866), (206, 971090), (269, 743660), (361, 554140), (380, 526433), (412, 485545), (515, 388436), (538, 371830), (722, 277070), (1030, 194218), (1076, 185915), (1345, 148732), (1444, 138535), (1805, 110828), (1957, 102220), (2060, 97109), (2690, 74366), (3610, 55414), (3914, 51110), (5111, 39140), (5380, 37183), (7220, 27707), (7828, 25555), (9785, 20444), (10222, 19570)]