70879900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7789}}^1$

素因数の和:7823

約数の個数: 72

約数和(自身を含む): 189328160

約数和(自身を除く): 118448260

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 4550, 7789, 9100, 15578, 31156, 38945, 54523, 77890, 101257, 109046, 155780, 194725, 202514, 218092, 272615, 389450, 405028, 506285, 545230, 708799, 778900, 1012570, 1090460, 1363075, 1417598, 2025140, 2531425, 2726150, 2835196, 3543995, 5062850, 5452300, 7087990, 10125700, 14175980, 17719975, 35439950, 70879900]

約数ペア:

[(1, 70879900), (2, 35439950), (4, 17719975), (5, 14175980), (7, 10125700), (10, 7087990), (13, 5452300), (14, 5062850), (20, 3543995), (25, 2835196), (26, 2726150), (28, 2531425), (35, 2025140), (50, 1417598), (52, 1363075), (65, 1090460), (70, 1012570), (91, 778900), (100, 708799), (130, 545230), (140, 506285), (175, 405028), (182, 389450), (260, 272615), (325, 218092), (350, 202514), (364, 194725), (455, 155780), (650, 109046), (700, 101257), (910, 77890), (1300, 54523), (1820, 38945), (2275, 31156), (4550, 15578), (7789, 9100)]