407639232020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{907}}^1\times {\mathrm{522601}}^1$

素因数の和:523560

約数の個数: 48

約数和(自身を含む): 876917794368

約数和(自身を除く): 469278562348

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 907, 1814, 3628, 4535, 9070, 18140, 39001, 78002, 156004, 195005, 390010, 522601, 780020, 1045202, 2090404, 2613005, 5226010, 10452020, 22471843, 44943686, 89887372, 112359215, 224718430, 449436860, 473999107, 947998214, 1895996428, 2369995535, 4739991070, 9479982140, 20381961601, 40763923202, 81527846404, 101909808005, 203819616010, 407639232020]

約数ペア:

[(1, 407639232020), (2, 203819616010), (4, 101909808005), (5, 81527846404), (10, 40763923202), (20, 20381961601), (43, 9479982140), (86, 4739991070), (172, 2369995535), (215, 1895996428), (430, 947998214), (860, 473999107), (907, 449436860), (1814, 224718430), (3628, 112359215), (4535, 89887372), (9070, 44943686), (18140, 22471843), (39001, 10452020), (78002, 5226010), (156004, 2613005), (195005, 2090404), (390010, 1045202), (522601, 780020)]