72729220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{709}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 160312320

約数和(自身を除く): 87583100

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 223, 230, 446, 460, 709, 892, 1115, 1418, 2230, 2836, 3545, 4460, 5129, 7090, 10258, 14180, 16307, 20516, 25645, 32614, 51290, 65228, 81535, 102580, 158107, 163070, 316214, 326140, 632428, 790535, 1581070, 3162140, 3636461, 7272922, 14545844, 18182305, 36364610, 72729220]

約数ペア:

[(1, 72729220), (2, 36364610), (4, 18182305), (5, 14545844), (10, 7272922), (20, 3636461), (23, 3162140), (46, 1581070), (92, 790535), (115, 632428), (223, 326140), (230, 316214), (446, 163070), (460, 158107), (709, 102580), (892, 81535), (1115, 65228), (1418, 51290), (2230, 32614), (2836, 25645), (3545, 20516), (4460, 16307), (5129, 14180), (7090, 10258)]