209516940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:408

約数の個数: 144

約数和(自身を含む): 660118368

約数和(自身を除く): 450601428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 163, 180, 185, 193, 222, 326, 333, 370, 386, 444, 489, 555, 579, 652, 666, 740, 772, 815, 965, 978, 1110, 1158, 1332, 1467, 1630, 1665, 1737, 1930, 1956, 2220, 2316, 2445, 2895, 2934, 3260, 3330, 3474, 3860, 4890, 5790, 5868, 6031, 6660, 6948, 7141, 7335, 8685, 9780, 11580, 12062, 14282, 14670, 17370, 18093, 21423, 24124, 28564, 29340, 30155, 31459, 34740, 35705, 36186, 42846, 54279, 60310, 62918, 64269, 71410, 72372, 85692, 90465, 94377, 107115, 108558, 120620, 125836, 128538, 142820, 157295, 180930, 188754, 214230, 217116, 257076, 271395, 283131, 314590, 321345, 361860, 377508, 428460, 471885, 542790, 566262, 629180, 642690, 943770, 1085580, 1132524, 1163983, 1285380, 1415655, 1887540, 2327966, 2831310, 3491949, 4655932, 5662620, 5819915, 6983898, 10475847, 11639830, 13967796, 17459745, 20951694, 23279660, 34919490, 41903388, 52379235, 69838980, 104758470, 209516940]

約数ペア:

[(1, 209516940), (2, 104758470), (3, 69838980), (4, 52379235), (5, 41903388), (6, 34919490), (9, 23279660), (10, 20951694), (12, 17459745), (15, 13967796), (18, 11639830), (20, 10475847), (30, 6983898), (36, 5819915), (37, 5662620), (45, 4655932), (60, 3491949), (74, 2831310), (90, 2327966), (111, 1887540), (148, 1415655), (163, 1285380), (180, 1163983), (185, 1132524), (193, 1085580), (222, 943770), (326, 642690), (333, 629180), (370, 566262), (386, 542790), (444, 471885), (489, 428460), (555, 377508), (579, 361860), (652, 321345), (666, 314590), (740, 283131), (772, 271395), (815, 257076), (965, 217116), (978, 214230), (1110, 188754), (1158, 180930), (1332, 157295), (1467, 142820), (1630, 128538), (1665, 125836), (1737, 120620), (1930, 108558), (1956, 107115), (2220, 94377), (2316, 90465), (2445, 85692), (2895, 72372), (2934, 71410), (3260, 64269), (3330, 62918), (3474, 60310), (3860, 54279), (4890, 42846), (5790, 36186), (5868, 35705), (6031, 34740), (6660, 31459), (6948, 30155), (7141, 29340), (7335, 28564), (8685, 24124), (9780, 21423), (11580, 18093), (12062, 17370), (14282, 14670)]