161631400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{16493}}^1$

素因数の和:16523

約数の個数: 72

約数和(自身を含む): 437173470

約数和(自身を除く): 275542070

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 4900, 9800, 16493, 32986, 65972, 82465, 115451, 131944, 164930, 230902, 329860, 412325, 461804, 577255, 659720, 808157, 824650, 923608, 1154510, 1616314, 1649300, 2309020, 2886275, 3232628, 3298600, 4040785, 4618040, 5772550, 6465256, 8081570, 11545100, 16163140, 20203925, 23090200, 32326280, 40407850, 80815700, 161631400]

約数ペア:

[(1, 161631400), (2, 80815700), (4, 40407850), (5, 32326280), (7, 23090200), (8, 20203925), (10, 16163140), (14, 11545100), (20, 8081570), (25, 6465256), (28, 5772550), (35, 4618040), (40, 4040785), (49, 3298600), (50, 3232628), (56, 2886275), (70, 2309020), (98, 1649300), (100, 1616314), (140, 1154510), (175, 923608), (196, 824650), (200, 808157), (245, 659720), (280, 577255), (350, 461804), (392, 412325), (490, 329860), (700, 230902), (980, 164930), (1225, 131944), (1400, 115451), (1960, 82465), (2450, 65972), (4900, 32986), (9800, 16493)]