700800880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21737}}^1$

素因数の和:21794

約数の個数: 80

約数和(自身を含む): 1811384064

約数和(自身を除く): 1110583184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 21737, 32240, 43474, 86948, 108685, 173896, 217370, 282581, 347792, 434740, 565162, 673847, 869480, 1130324, 1347694, 1412905, 1738960, 2260648, 2695388, 2825810, 3369235, 4521296, 5390776, 5651620, 6738470, 8760011, 10781552, 11303240, 13476940, 17520022, 22606480, 26953880, 35040044, 43800055, 53907760, 70080088, 87600110, 140160176, 175200220, 350400440, 700800880]

約数ペア:

[(1, 700800880), (2, 350400440), (4, 175200220), (5, 140160176), (8, 87600110), (10, 70080088), (13, 53907760), (16, 43800055), (20, 35040044), (26, 26953880), (31, 22606480), (40, 17520022), (52, 13476940), (62, 11303240), (65, 10781552), (80, 8760011), (104, 6738470), (124, 5651620), (130, 5390776), (155, 4521296), (208, 3369235), (248, 2825810), (260, 2695388), (310, 2260648), (403, 1738960), (496, 1412905), (520, 1347694), (620, 1130324), (806, 869480), (1040, 673847), (1240, 565162), (1612, 434740), (2015, 347792), (2480, 282581), (3224, 217370), (4030, 173896), (6448, 108685), (8060, 86948), (16120, 43474), (21737, 32240)]