194834540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1\times {\mathrm{389}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 416707200

約数和(自身を除く): 221872660

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 317, 389, 395, 634, 778, 790, 1268, 1556, 1580, 1585, 1945, 3170, 3890, 6340, 7780, 25043, 30731, 50086, 61462, 100172, 122924, 123313, 125215, 153655, 246626, 250430, 307310, 493252, 500860, 614620, 616565, 1233130, 2466260, 9741727, 19483454, 38966908, 48708635, 97417270, 194834540]

約数ペア:

[(1, 194834540), (2, 97417270), (4, 48708635), (5, 38966908), (10, 19483454), (20, 9741727), (79, 2466260), (158, 1233130), (316, 616565), (317, 614620), (389, 500860), (395, 493252), (634, 307310), (778, 250430), (790, 246626), (1268, 153655), (1556, 125215), (1580, 123313), (1585, 122924), (1945, 100172), (3170, 61462), (3890, 50086), (6340, 30731), (7780, 25043)]