90321400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{34739}}^1$

素因数の和:34768

約数の個数: 48

約数和(自身を含む): 226157400

約数和(自身を除く): 135836000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 34739, 69478, 138956, 173695, 277912, 347390, 451607, 694780, 868475, 903214, 1389560, 1736950, 1806428, 2258035, 3473900, 3612856, 4516070, 6947800, 9032140, 11290175, 18064280, 22580350, 45160700, 90321400]

約数ペア:

[(1, 90321400), (2, 45160700), (4, 22580350), (5, 18064280), (8, 11290175), (10, 9032140), (13, 6947800), (20, 4516070), (25, 3612856), (26, 3473900), (40, 2258035), (50, 1806428), (52, 1736950), (65, 1389560), (100, 903214), (104, 868475), (130, 694780), (200, 451607), (260, 347390), (325, 277912), (520, 173695), (650, 138956), (1300, 69478), (2600, 34739)]