89467340

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1\times {\mathrm{263}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 191999808

約数和(自身を除く): 102532468

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 233, 263, 292, 365, 466, 526, 730, 932, 1052, 1165, 1315, 1460, 2330, 2630, 4660, 5260, 17009, 19199, 34018, 38398, 61279, 68036, 76796, 85045, 95995, 122558, 170090, 191990, 245116, 306395, 340180, 383980, 612790, 1225580, 4473367, 8946734, 17893468, 22366835, 44733670, 89467340]

約数ペア:

[(1, 89467340), (2, 44733670), (4, 22366835), (5, 17893468), (10, 8946734), (20, 4473367), (73, 1225580), (146, 612790), (233, 383980), (263, 340180), (292, 306395), (365, 245116), (466, 191990), (526, 170090), (730, 122558), (932, 95995), (1052, 85045), (1165, 76796), (1315, 68036), (1460, 61279), (2330, 38398), (2630, 34018), (4660, 19199), (5260, 17009)]