2019706640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{14369}}^1$

素因数の和:14640

約数の個数: 80

約数和(自身を含む): 5388405120

約数和(自身を除く): 3368698480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 251, 280, 502, 560, 1004, 1255, 1757, 2008, 2510, 3514, 4016, 5020, 7028, 8785, 10040, 14056, 14369, 17570, 20080, 28112, 28738, 35140, 57476, 70280, 71845, 100583, 114952, 140560, 143690, 201166, 229904, 287380, 402332, 502915, 574760, 804664, 1005830, 1149520, 1609328, 2011660, 3606619, 4023320, 7213238, 8046640, 14426476, 18033095, 25246333, 28852952, 36066190, 50492666, 57705904, 72132380, 100985332, 126231665, 144264760, 201970664, 252463330, 288529520, 403941328, 504926660, 1009853320, 2019706640]

約数ペア:

[(1, 2019706640), (2, 1009853320), (4, 504926660), (5, 403941328), (7, 288529520), (8, 252463330), (10, 201970664), (14, 144264760), (16, 126231665), (20, 100985332), (28, 72132380), (35, 57705904), (40, 50492666), (56, 36066190), (70, 28852952), (80, 25246333), (112, 18033095), (140, 14426476), (251, 8046640), (280, 7213238), (502, 4023320), (560, 3606619), (1004, 2011660), (1255, 1609328), (1757, 1149520), (2008, 1005830), (2510, 804664), (3514, 574760), (4016, 502915), (5020, 402332), (7028, 287380), (8785, 229904), (10040, 201166), (14056, 143690), (14369, 140560), (17570, 114952), (20080, 100583), (28112, 71845), (28738, 70280), (35140, 57476)]