71386280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2339}}^1$

素因数の和:2466

約数の個数: 64

約数和(自身を含む): 185328000

約数和(自身を除く): 113941720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 2180, 2339, 3052, 3815, 4360, 4678, 6104, 7630, 9356, 11695, 15260, 16373, 18712, 23390, 30520, 32746, 46780, 65492, 81865, 93560, 130984, 163730, 254951, 327460, 509902, 654920, 1019804, 1274755, 1784657, 2039608, 2549510, 3569314, 5099020, 7138628, 8923285, 10198040, 14277256, 17846570, 35693140, 71386280]

約数ペア:

[(1, 71386280), (2, 35693140), (4, 17846570), (5, 14277256), (7, 10198040), (8, 8923285), (10, 7138628), (14, 5099020), (20, 3569314), (28, 2549510), (35, 2039608), (40, 1784657), (56, 1274755), (70, 1019804), (109, 654920), (140, 509902), (218, 327460), (280, 254951), (436, 163730), (545, 130984), (763, 93560), (872, 81865), (1090, 65492), (1526, 46780), (2180, 32746), (2339, 30520), (3052, 23390), (3815, 18712), (4360, 16373), (4678, 15260), (6104, 11695), (7630, 9356)]