168157340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{12203}}^1$

素因数の和:12278

約数の個数: 48

約数和(自身を含む): 387501408

約数和(自身を除く): 219344068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 12203, 13780, 24406, 48812, 61015, 122030, 158639, 244060, 317278, 634556, 646759, 793195, 1293518, 1586390, 2587036, 3172780, 3233795, 6467590, 8407867, 12935180, 16815734, 33631468, 42039335, 84078670, 168157340]

約数ペア:

[(1, 168157340), (2, 84078670), (4, 42039335), (5, 33631468), (10, 16815734), (13, 12935180), (20, 8407867), (26, 6467590), (52, 3233795), (53, 3172780), (65, 2587036), (106, 1586390), (130, 1293518), (212, 793195), (260, 646759), (265, 634556), (530, 317278), (689, 244060), (1060, 158639), (1378, 122030), (2756, 61015), (3445, 48812), (6890, 24406), (12203, 13780)]