247123520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{110323}}^1$

素因数の和:110347

約数の個数: 56

約数和(自身を含む): 672535104

約数和(自身を除く): 425411584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 110323, 220646, 441292, 551615, 772261, 882584, 1103230, 1544522, 1765168, 2206460, 3089044, 3530336, 3861305, 4412920, 6178088, 7060672, 7722610, 8825840, 12356176, 15445220, 17651680, 24712352, 30890440, 35303360, 49424704, 61780880, 123561760, 247123520]

約数ペア:

[(1, 247123520), (2, 123561760), (4, 61780880), (5, 49424704), (7, 35303360), (8, 30890440), (10, 24712352), (14, 17651680), (16, 15445220), (20, 12356176), (28, 8825840), (32, 7722610), (35, 7060672), (40, 6178088), (56, 4412920), (64, 3861305), (70, 3530336), (80, 3089044), (112, 2206460), (140, 1765168), (160, 1544522), (224, 1103230), (280, 882584), (320, 772261), (448, 551615), (560, 441292), (1120, 220646), (2240, 110323)]