488528020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1\times {\mathrm{1297}}^1$

素因数の和:1852

約数の個数: 48

約数和(自身を含む): 1056520080

約数和(自身を除く): 567992060

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 509, 740, 1018, 1297, 2036, 2545, 2594, 5090, 5188, 6485, 10180, 12970, 18833, 25940, 37666, 47989, 75332, 94165, 95978, 188330, 191956, 239945, 376660, 479890, 660173, 959780, 1320346, 2640692, 3300865, 6601730, 13203460, 24426401, 48852802, 97705604, 122132005, 244264010, 488528020]

約数ペア:

[(1, 488528020), (2, 244264010), (4, 122132005), (5, 97705604), (10, 48852802), (20, 24426401), (37, 13203460), (74, 6601730), (148, 3300865), (185, 2640692), (370, 1320346), (509, 959780), (740, 660173), (1018, 479890), (1297, 376660), (2036, 239945), (2545, 191956), (2594, 188330), (5090, 95978), (5188, 94165), (6485, 75332), (10180, 47989), (12970, 37666), (18833, 25940)]