220675420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{2713}}^1$

素因数の和:2819

約数の個数: 72

約数和(自身を含む): 545774544

約数和(自身を除く): 325099124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 83, 98, 140, 166, 196, 245, 332, 415, 490, 581, 830, 980, 1162, 1660, 2324, 2713, 2905, 4067, 5426, 5810, 8134, 10852, 11620, 13565, 16268, 18991, 20335, 27130, 37982, 40670, 54260, 75964, 81340, 94955, 132937, 189910, 225179, 265874, 379820, 450358, 531748, 664685, 900716, 1125895, 1329370, 1576253, 2251790, 2658740, 3152506, 4503580, 6305012, 7881265, 11033771, 15762530, 22067542, 31525060, 44135084, 55168855, 110337710, 220675420]

約数ペア:

[(1, 220675420), (2, 110337710), (4, 55168855), (5, 44135084), (7, 31525060), (10, 22067542), (14, 15762530), (20, 11033771), (28, 7881265), (35, 6305012), (49, 4503580), (70, 3152506), (83, 2658740), (98, 2251790), (140, 1576253), (166, 1329370), (196, 1125895), (245, 900716), (332, 664685), (415, 531748), (490, 450358), (581, 379820), (830, 265874), (980, 225179), (1162, 189910), (1660, 132937), (2324, 94955), (2713, 81340), (2905, 75964), (4067, 54260), (5426, 40670), (5810, 37982), (8134, 27130), (10852, 20335), (11620, 18991), (13565, 16268)]