124285720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{523}}^1$

素因数の和:1004

約数の個数: 64

約数和(自身を含む): 302389920

約数和(自身を除く): 178104200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 457, 520, 523, 914, 1046, 1828, 2092, 2285, 2615, 3656, 4184, 4570, 5230, 5941, 6799, 9140, 10460, 11882, 13598, 18280, 20920, 23764, 27196, 29705, 33995, 47528, 54392, 59410, 67990, 118820, 135980, 237640, 239011, 271960, 478022, 956044, 1195055, 1912088, 2390110, 3107143, 4780220, 6214286, 9560440, 12428572, 15535715, 24857144, 31071430, 62142860, 124285720]

約数ペア:

[(1, 124285720), (2, 62142860), (4, 31071430), (5, 24857144), (8, 15535715), (10, 12428572), (13, 9560440), (20, 6214286), (26, 4780220), (40, 3107143), (52, 2390110), (65, 1912088), (104, 1195055), (130, 956044), (260, 478022), (457, 271960), (520, 239011), (523, 237640), (914, 135980), (1046, 118820), (1828, 67990), (2092, 59410), (2285, 54392), (2615, 47528), (3656, 33995), (4184, 29705), (4570, 27196), (5230, 23764), (5941, 20920), (6799, 18280), (9140, 13598), (10460, 11882)]