199434820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{45121}}^1$

素因数の和:45160

約数の個数: 48

約数和(自身を含む): 477571248

約数和(自身を除く): 278136428

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 45121, 90242, 180484, 225605, 451210, 586573, 767057, 902420, 1173146, 1534114, 2346292, 2932865, 3068228, 3835285, 5865730, 7670570, 9971741, 11731460, 15341140, 19943482, 39886964, 49858705, 99717410, 199434820]

約数ペア:

[(1, 199434820), (2, 99717410), (4, 49858705), (5, 39886964), (10, 19943482), (13, 15341140), (17, 11731460), (20, 9971741), (26, 7670570), (34, 5865730), (52, 3835285), (65, 3068228), (68, 2932865), (85, 2346292), (130, 1534114), (170, 1173146), (221, 902420), (260, 767057), (340, 586573), (442, 451210), (884, 225605), (1105, 180484), (2210, 90242), (4420, 45121)]