408069680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1\times {\mathrm{479}}^1$

素因数の和:978

約数の個数: 80

約数和(自身を含む): 994222080

約数和(自身を除く): 586152400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 463, 479, 920, 926, 958, 1840, 1852, 1916, 2315, 2395, 3704, 3832, 4630, 4790, 7408, 7664, 9260, 9580, 10649, 11017, 18520, 19160, 21298, 22034, 37040, 38320, 42596, 44068, 53245, 55085, 85192, 88136, 106490, 110170, 170384, 176272, 212980, 220340, 221777, 425960, 440680, 443554, 851920, 881360, 887108, 1108885, 1774216, 2217770, 3548432, 4435540, 5100871, 8871080, 10201742, 17742160, 20403484, 25504355, 40806968, 51008710, 81613936, 102017420, 204034840, 408069680]

約数ペア:

[(1, 408069680), (2, 204034840), (4, 102017420), (5, 81613936), (8, 51008710), (10, 40806968), (16, 25504355), (20, 20403484), (23, 17742160), (40, 10201742), (46, 8871080), (80, 5100871), (92, 4435540), (115, 3548432), (184, 2217770), (230, 1774216), (368, 1108885), (460, 887108), (463, 881360), (479, 851920), (920, 443554), (926, 440680), (958, 425960), (1840, 221777), (1852, 220340), (1916, 212980), (2315, 176272), (2395, 170384), (3704, 110170), (3832, 106490), (4630, 88136), (4790, 85192), (7408, 55085), (7664, 53245), (9260, 44068), (9580, 42596), (10649, 38320), (11017, 37040), (18520, 22034), (19160, 21298)]