66858700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{709}}^1$

素因数の和:787

約数の個数: 72

約数和(自身を含む): 155302560

約数和(自身を除く): 88443860

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 41, 46, 50, 82, 92, 100, 115, 164, 205, 230, 410, 460, 575, 709, 820, 943, 1025, 1150, 1418, 1886, 2050, 2300, 2836, 3545, 3772, 4100, 4715, 7090, 9430, 14180, 16307, 17725, 18860, 23575, 29069, 32614, 35450, 47150, 58138, 65228, 70900, 81535, 94300, 116276, 145345, 163070, 290690, 326140, 407675, 581380, 668587, 726725, 815350, 1337174, 1453450, 1630700, 2674348, 2906900, 3342935, 6685870, 13371740, 16714675, 33429350, 66858700]

約数ペア:

[(1, 66858700), (2, 33429350), (4, 16714675), (5, 13371740), (10, 6685870), (20, 3342935), (23, 2906900), (25, 2674348), (41, 1630700), (46, 1453450), (50, 1337174), (82, 815350), (92, 726725), (100, 668587), (115, 581380), (164, 407675), (205, 326140), (230, 290690), (410, 163070), (460, 145345), (575, 116276), (709, 94300), (820, 81535), (943, 70900), (1025, 65228), (1150, 58138), (1418, 47150), (1886, 35450), (2050, 32614), (2300, 29069), (2836, 23575), (3545, 18860), (3772, 17725), (4100, 16307), (4715, 14180), (7090, 9430)]