209037420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{31387}}^1$

素因数の和:31439

約数の個数: 72

約数和(自身を含む): 651238224

約数和(自身を除く): 442200804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 31387, 62774, 94161, 125548, 156935, 188322, 282483, 313870, 376644, 470805, 564966, 627740, 941610, 1129932, 1161319, 1412415, 1883220, 2322638, 2824830, 3483957, 4645276, 5649660, 5806595, 6967914, 10451871, 11613190, 13935828, 17419785, 20903742, 23226380, 34839570, 41807484, 52259355, 69679140, 104518710, 209037420]

約数ペア:

[(1, 209037420), (2, 104518710), (3, 69679140), (4, 52259355), (5, 41807484), (6, 34839570), (9, 23226380), (10, 20903742), (12, 17419785), (15, 13935828), (18, 11613190), (20, 10451871), (30, 6967914), (36, 5806595), (37, 5649660), (45, 4645276), (60, 3483957), (74, 2824830), (90, 2322638), (111, 1883220), (148, 1412415), (180, 1161319), (185, 1129932), (222, 941610), (333, 627740), (370, 564966), (444, 470805), (555, 376644), (666, 313870), (740, 282483), (1110, 188322), (1332, 156935), (1665, 125548), (2220, 94161), (3330, 62774), (6660, 31387)]