901317504860

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2777}}^1\times {\mathrm{205421}}^1$

素因数の和:208286

約数の個数: 48

約数和(自身を含む): 1917425381760

約数和(自身を除く): 1016107876900

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 2777, 5554, 11108, 13885, 27770, 55540, 205421, 219383, 410842, 438766, 821684, 877532, 1027105, 1096915, 2054210, 2193830, 4108420, 4387660, 16228259, 32456518, 64913036, 81141295, 162282590, 324565180, 570454117, 1140908234, 2281816468, 2852270585, 5704541170, 11409082340, 45065875243, 90131750486, 180263500972, 225329376215, 450658752430, 901317504860]

約数ペア:

[(1, 901317504860), (2, 450658752430), (4, 225329376215), (5, 180263500972), (10, 90131750486), (20, 45065875243), (79, 11409082340), (158, 5704541170), (316, 2852270585), (395, 2281816468), (790, 1140908234), (1580, 570454117), (2777, 324565180), (5554, 162282590), (11108, 81141295), (13885, 64913036), (27770, 32456518), (55540, 16228259), (205421, 4387660), (219383, 4108420), (410842, 2193830), (438766, 2054210), (821684, 1096915), (877532, 1027105)]