345138.0000000

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 11254320

約数和(自身を除く): 6351500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 173, 218, 260, 346, 436, 545, 692, 865, 1090, 1417, 1730, 2180, 2249, 2834, 3460, 4498, 5668, 7085, 8996, 11245, 14170, 18857, 22490, 28340, 37714, 44980, 75428, 94285, 188570, 245141, 377140, 490282, 980564, 1225705, 2451410, 4902820]

約数ペア:

[(1, 4902820), (2, 2451410), (4, 1225705), (5, 980564), (10, 490282), (13, 377140), (20, 245141), (26, 188570), (52, 94285), (65, 75428), (109, 44980), (130, 37714), (173, 28340), (218, 22490), (260, 18857), (346, 14170), (436, 11245), (545, 8996), (692, 7085), (865, 5668), (1090, 4498), (1417, 3460), (1730, 2834), (2180, 2249)]