320829220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1\times {\mathrm{883}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 694145088

約数和(自身を除く): 373315868

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 491, 740, 883, 982, 1766, 1964, 2455, 3532, 4415, 4910, 8830, 9820, 17660, 18167, 32671, 36334, 65342, 72668, 90835, 130684, 163355, 181670, 326710, 363340, 433553, 653420, 867106, 1734212, 2167765, 4335530, 8671060, 16041461, 32082922, 64165844, 80207305, 160414610, 320829220]

約数ペア:

[(1, 320829220), (2, 160414610), (4, 80207305), (5, 64165844), (10, 32082922), (20, 16041461), (37, 8671060), (74, 4335530), (148, 2167765), (185, 1734212), (370, 867106), (491, 653420), (740, 433553), (883, 363340), (982, 326710), (1766, 181670), (1964, 163355), (2455, 130684), (3532, 90835), (4415, 72668), (4910, 65342), (8830, 36334), (9820, 32671), (17660, 18167)]