21791290600

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{68483}}^1$

素因数の和:68579

約数の個数: 96

約数和(自身を含む): 53244940320

約数和(自身を除く): 31453649720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 43, 50, 74, 86, 100, 148, 172, 185, 200, 215, 296, 344, 370, 430, 740, 860, 925, 1075, 1480, 1591, 1720, 1850, 2150, 3182, 3700, 4300, 6364, 7400, 7955, 8600, 12728, 15910, 31820, 39775, 63640, 68483, 79550, 136966, 159100, 273932, 318200, 342415, 547864, 684830, 1369660, 1712075, 2533871, 2739320, 2944769, 3424150, 5067742, 5889538, 6848300, 10135484, 11779076, 12669355, 13696600, 14723845, 20270968, 23558152, 25338710, 29447690, 50677420, 58895380, 63346775, 73619225, 101354840, 108956453, 117790760, 126693550, 147238450, 217912906, 253387100, 294476900, 435825812, 506774200, 544782265, 588953800, 871651624, 1089564530, 2179129060, 2723911325, 4358258120, 5447822650, 10895645300, 21791290600]

約数ペア:

[(1, 21791290600), (2, 10895645300), (4, 5447822650), (5, 4358258120), (8, 2723911325), (10, 2179129060), (20, 1089564530), (25, 871651624), (37, 588953800), (40, 544782265), (43, 506774200), (50, 435825812), (74, 294476900), (86, 253387100), (100, 217912906), (148, 147238450), (172, 126693550), (185, 117790760), (200, 108956453), (215, 101354840), (296, 73619225), (344, 63346775), (370, 58895380), (430, 50677420), (740, 29447690), (860, 25338710), (925, 23558152), (1075, 20270968), (1480, 14723845), (1591, 13696600), (1720, 12669355), (1850, 11779076), (2150, 10135484), (3182, 6848300), (3700, 5889538), (4300, 5067742), (6364, 3424150), (7400, 2944769), (7955, 2739320), (8600, 2533871), (12728, 1712075), (15910, 1369660), (31820, 684830), (39775, 547864), (63640, 342415), (68483, 318200), (79550, 273932), (136966, 159100)]