397043660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{49261}}^1$

素因数の和:49314

約数の個数: 48

約数和(自身を含む): 926913792

約数和(自身を除く): 529870132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 49261, 98522, 197044, 246305, 492610, 640393, 985220, 1280786, 1527091, 2561572, 3054182, 3201965, 6108364, 6403930, 7635455, 12807860, 15270910, 19852183, 30541820, 39704366, 79408732, 99260915, 198521830, 397043660]

約数ペア:

[(1, 397043660), (2, 198521830), (4, 99260915), (5, 79408732), (10, 39704366), (13, 30541820), (20, 19852183), (26, 15270910), (31, 12807860), (52, 7635455), (62, 6403930), (65, 6108364), (124, 3201965), (130, 3054182), (155, 2561572), (260, 1527091), (310, 1280786), (403, 985220), (620, 640393), (806, 492610), (1612, 246305), (2015, 197044), (4030, 98522), (8060, 49261)]