2886260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 6921936

約数和(自身を除く): 4035676

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 653, 884, 1105, 1306, 2210, 2612, 3265, 4420, 6530, 8489, 11101, 13060, 16978, 22202, 33956, 42445, 44404, 55505, 84890, 111010, 144313, 169780, 222020, 288626, 577252, 721565, 1443130, 2886260]

約数ペア:

[(1, 2886260), (2, 1443130), (4, 721565), (5, 577252), (10, 288626), (13, 222020), (17, 169780), (20, 144313), (26, 111010), (34, 84890), (52, 55505), (65, 44404), (68, 42445), (85, 33956), (130, 22202), (170, 16978), (221, 13060), (260, 11101), (340, 8489), (442, 6530), (653, 4420), (884, 3265), (1105, 2612), (1306, 2210)]