200012820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:402

約数の個数: 192

約数和(自身を含む): 686568960

約数和(自身を除く): 486556140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 109, 119, 140, 170, 204, 210, 218, 238, 255, 257, 327, 340, 357, 420, 436, 476, 510, 514, 545, 595, 654, 714, 763, 771, 1020, 1028, 1090, 1190, 1285, 1308, 1428, 1526, 1542, 1635, 1785, 1799, 1853, 2180, 2289, 2380, 2570, 3052, 3084, 3270, 3570, 3598, 3706, 3815, 3855, 4369, 4578, 5140, 5397, 5559, 6540, 7140, 7196, 7412, 7630, 7710, 8738, 8995, 9156, 9265, 10794, 11118, 11445, 12971, 13107, 15260, 15420, 17476, 17990, 18530, 21588, 21845, 22236, 22890, 25942, 26214, 26985, 27795, 28013, 30583, 35980, 37060, 38913, 43690, 45780, 51884, 52428, 53970, 55590, 56026, 61166, 64855, 65535, 77826, 84039, 87380, 91749, 107940, 111180, 112052, 122332, 129710, 131070, 140065, 152915, 155652, 168078, 183498, 194565, 196091, 259420, 262140, 280130, 305830, 336156, 366996, 389130, 392182, 420195, 458745, 476221, 560260, 588273, 611660, 778260, 784364, 840390, 917490, 952442, 980455, 1176546, 1428663, 1680780, 1834980, 1904884, 1960910, 2353092, 2381105, 2857326, 2941365, 3333547, 3921820, 4762210, 5714652, 5882730, 6667094, 7143315, 9524420, 10000641, 11765460, 13334188, 14286630, 16667735, 20001282, 28573260, 33335470, 40002564, 50003205, 66670940, 100006410, 200012820]

約数ペア:

[(1, 200012820), (2, 100006410), (3, 66670940), (4, 50003205), (5, 40002564), (6, 33335470), (7, 28573260), (10, 20001282), (12, 16667735), (14, 14286630), (15, 13334188), (17, 11765460), (20, 10000641), (21, 9524420), (28, 7143315), (30, 6667094), (34, 5882730), (35, 5714652), (42, 4762210), (51, 3921820), (60, 3333547), (68, 2941365), (70, 2857326), (84, 2381105), (85, 2353092), (102, 1960910), (105, 1904884), (109, 1834980), (119, 1680780), (140, 1428663), (170, 1176546), (204, 980455), (210, 952442), (218, 917490), (238, 840390), (255, 784364), (257, 778260), (327, 611660), (340, 588273), (357, 560260), (420, 476221), (436, 458745), (476, 420195), (510, 392182), (514, 389130), (545, 366996), (595, 336156), (654, 305830), (714, 280130), (763, 262140), (771, 259420), (1020, 196091), (1028, 194565), (1090, 183498), (1190, 168078), (1285, 155652), (1308, 152915), (1428, 140065), (1526, 131070), (1542, 129710), (1635, 122332), (1785, 112052), (1799, 111180), (1853, 107940), (2180, 91749), (2289, 87380), (2380, 84039), (2570, 77826), (3052, 65535), (3084, 64855), (3270, 61166), (3570, 56026), (3598, 55590), (3706, 53970), (3815, 52428), (3855, 51884), (4369, 45780), (4578, 43690), (5140, 38913), (5397, 37060), (5559, 35980), (6540, 30583), (7140, 28013), (7196, 27795), (7412, 26985), (7630, 26214), (7710, 25942), (8738, 22890), (8995, 22236), (9156, 21845), (9265, 21588), (10794, 18530), (11118, 17990), (11445, 17476), (12971, 15420), (13107, 15260)]