31888220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2503}}^1$

素因数の和:2539

約数の個数: 72

約数和(自身を含む): 83924064

約数和(自身を除く): 52035844

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2503, 2548, 3185, 5006, 6370, 10012, 12515, 12740, 17521, 25030, 32539, 35042, 50060, 65078, 70084, 87605, 122647, 130156, 162695, 175210, 227773, 245294, 325390, 350420, 455546, 490588, 613235, 650780, 911092, 1138865, 1226470, 1594411, 2277730, 2452940, 3188822, 4555460, 6377644, 7972055, 15944110, 31888220]

約数ペア:

[(1, 31888220), (2, 15944110), (4, 7972055), (5, 6377644), (7, 4555460), (10, 3188822), (13, 2452940), (14, 2277730), (20, 1594411), (26, 1226470), (28, 1138865), (35, 911092), (49, 650780), (52, 613235), (65, 490588), (70, 455546), (91, 350420), (98, 325390), (130, 245294), (140, 227773), (182, 175210), (196, 162695), (245, 130156), (260, 122647), (364, 87605), (455, 70084), (490, 65078), (637, 50060), (910, 35042), (980, 32539), (1274, 25030), (1820, 17521), (2503, 12740), (2548, 12515), (3185, 10012), (5006, 6370)]