996901720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{3203}}^1$

素因数の和:3496

約数の個数: 64

約数和(自身を含む): 2325335040

約数和(自身を除く): 1328433320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 251, 310, 502, 620, 1004, 1240, 1255, 2008, 2510, 3203, 5020, 6406, 7781, 10040, 12812, 15562, 16015, 25624, 31124, 32030, 38905, 62248, 64060, 77810, 99293, 128120, 155620, 198586, 311240, 397172, 496465, 794344, 803953, 992930, 1607906, 1985860, 3215812, 3971720, 4019765, 6431624, 8039530, 16079060, 24922543, 32158120, 49845086, 99690172, 124612715, 199380344, 249225430, 498450860, 996901720]

約数ペア:

[(1, 996901720), (2, 498450860), (4, 249225430), (5, 199380344), (8, 124612715), (10, 99690172), (20, 49845086), (31, 32158120), (40, 24922543), (62, 16079060), (124, 8039530), (155, 6431624), (248, 4019765), (251, 3971720), (310, 3215812), (502, 1985860), (620, 1607906), (1004, 992930), (1240, 803953), (1255, 794344), (2008, 496465), (2510, 397172), (3203, 311240), (5020, 198586), (6406, 155620), (7781, 128120), (10040, 99293), (12812, 77810), (15562, 64060), (16015, 62248), (25624, 38905), (31124, 32030)]