175020460

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{401}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 373474080

約数和(自身を除く): 198453620

約数列:

[1, 2, 4, 5, 10, 20, 139, 157, 278, 314, 401, 556, 628, 695, 785, 802, 1390, 1570, 1604, 2005, 2780, 3140, 4010, 8020, 21823, 43646, 55739, 62957, 87292, 109115, 111478, 125914, 218230, 222956, 251828, 278695, 314785, 436460, 557390, 629570, 1114780, 1259140, 8751023, 17502046, 35004092, 43755115, 87510230, 175020460]

約数ペア:

[(1, 175020460), (2, 87510230), (4, 43755115), (5, 35004092), (10, 17502046), (20, 8751023), (139, 1259140), (157, 1114780), (278, 629570), (314, 557390), (401, 436460), (556, 314785), (628, 278695), (695, 251828), (785, 222956), (802, 218230), (1390, 125914), (1570, 111478), (1604, 109115), (2005, 87292), (2780, 62957), (3140, 55739), (4010, 43646), (8020, 21823)]