1940331380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{438989}}^1$

素因数の和:439028

約数の個数: 48

約数和(自身を含む): 4646270160

約数和(自身を除く): 2705938780

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, 438989, 877978, 1755956, 2194945, 4389890, 5706857, 7462813, 8779780, 11413714, 14925626, 22827428, 28534285, 29851252, 37314065, 57068570, 74628130, 97016569, 114137140, 149256260, 194033138, 388066276, 485082845, 970165690, 1940331380]

約数ペア:

[(1, 1940331380), (2, 970165690), (4, 485082845), (5, 388066276), (10, 194033138), (13, 149256260), (17, 114137140), (20, 97016569), (26, 74628130), (34, 57068570), (52, 37314065), (65, 29851252), (68, 28534285), (85, 22827428), (130, 14925626), (170, 11413714), (221, 8779780), (260, 7462813), (340, 5706857), (442, 4389890), (884, 2194945), (1105, 1755956), (2210, 877978), (4420, 438989)]