1387222850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{30059}}^1$

素因数の和:30155

約数の個数: 48

約数和(自身を含む): 2817944640

約数和(自身を除く): 1430721790

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 71, 130, 142, 325, 355, 650, 710, 923, 1775, 1846, 3550, 4615, 9230, 23075, 30059, 46150, 60118, 150295, 300590, 390767, 751475, 781534, 1502950, 1953835, 2134189, 3907670, 4268378, 9769175, 10670945, 19538350, 21341890, 27744457, 53354725, 55488914, 106709450, 138722285, 277444570, 693611425, 1387222850]

約数ペア:

[(1, 1387222850), (2, 693611425), (5, 277444570), (10, 138722285), (13, 106709450), (25, 55488914), (26, 53354725), (50, 27744457), (65, 21341890), (71, 19538350), (130, 10670945), (142, 9769175), (325, 4268378), (355, 3907670), (650, 2134189), (710, 1953835), (923, 1502950), (1775, 781534), (1846, 751475), (3550, 390767), (4615, 300590), (9230, 150295), (23075, 60118), (30059, 46150)]