2019885875

素因数分解:

$5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{601}}^1$

素因数の和:813

約数の個数: 64

約数和(自身を含む): 3029225472

約数和(自身を除く): 1009339597

約数列:

[1, 5, 7, 23, 25, 35, 115, 125, 161, 167, 175, 575, 601, 805, 835, 875, 1169, 2875, 3005, 3841, 4025, 4175, 4207, 5845, 13823, 15025, 19205, 20125, 20875, 21035, 26887, 29225, 69115, 75125, 96025, 96761, 100367, 105175, 134435, 146125, 345575, 480125, 483805, 501835, 525875, 672175, 702569, 1727875, 2308441, 2419025, 2509175, 3360875, 3512845, 11542205, 12095125, 12545875, 16159087, 17564225, 57711025, 80795435, 87821125, 288555125, 403977175, 2019885875]

約数ペア:

[(1, 2019885875), (5, 403977175), (7, 288555125), (23, 87821125), (25, 80795435), (35, 57711025), (115, 17564225), (125, 16159087), (161, 12545875), (167, 12095125), (175, 11542205), (575, 3512845), (601, 3360875), (805, 2509175), (835, 2419025), (875, 2308441), (1169, 1727875), (2875, 702569), (3005, 672175), (3841, 525875), (4025, 501835), (4175, 483805), (4207, 480125), (5845, 345575), (13823, 146125), (15025, 134435), (19205, 105175), (20125, 100367), (20875, 96761), (21035, 96025), (26887, 75125), (29225, 69115)]