219048620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{2693}}^1$

素因数の和:2799

約数の個数: 72

約数和(自身を含む): 541752624

約数和(自身を除く): 322704004

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, 2693, 2905, 4067, 5386, 5810, 8134, 10772, 11620, 13465, 16268, 18851, 20335, 26930, 37702, 40670, 53860, 75404, 81340, 94255, 131957, 188510, 223519, 263914, 377020, 447038, 527828, 659785, 894076, 1117595, 1319570, 1564633, 2235190, 2639140, 3129266, 4470380, 6258532, 7823165, 10952431, 15646330, 21904862, 31292660, 43809724, 54762155, 109524310, 219048620]

約数ペア:

[(1, 219048620), (2, 109524310), (4, 54762155), (5, 43809724), (7, 31292660), (10, 21904862), (14, 15646330), (20, 10952431), (28, 7823165), (35, 6258532), (49, 4470380), (70, 3129266), (83, 2639140), (98, 2235190), (140, 1564633), (166, 1319570), (196, 1117595), (245, 894076), (332, 659785), (415, 527828), (490, 447038), (581, 377020), (830, 263914), (980, 223519), (1162, 188510), (1660, 131957), (2324, 94255), (2693, 81340), (2905, 75404), (4067, 53860), (5386, 40670), (5810, 37702), (8134, 26930), (10772, 20335), (11620, 18851), (13465, 16268)]