19300400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:199

約数の個数: 120

約数和(自身を含む): 54338784

約数和(自身を除く): 35038384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 61, 70, 80, 100, 112, 113, 122, 140, 175, 200, 226, 244, 280, 305, 350, 400, 427, 452, 488, 560, 565, 610, 700, 791, 854, 904, 976, 1130, 1220, 1400, 1525, 1582, 1708, 1808, 2135, 2260, 2440, 2800, 2825, 3050, 3164, 3416, 3955, 4270, 4520, 4880, 5650, 6100, 6328, 6832, 6893, 7910, 8540, 9040, 10675, 11300, 12200, 12656, 13786, 15820, 17080, 19775, 21350, 22600, 24400, 27572, 31640, 34160, 34465, 39550, 42700, 45200, 48251, 55144, 63280, 68930, 79100, 85400, 96502, 110288, 137860, 158200, 170800, 172325, 193004, 241255, 275720, 316400, 344650, 386008, 482510, 551440, 689300, 772016, 965020, 1206275, 1378600, 1930040, 2412550, 2757200, 3860080, 4825100, 9650200, 19300400]

約数ペア:

[(1, 19300400), (2, 9650200), (4, 4825100), (5, 3860080), (7, 2757200), (8, 2412550), (10, 1930040), (14, 1378600), (16, 1206275), (20, 965020), (25, 772016), (28, 689300), (35, 551440), (40, 482510), (50, 386008), (56, 344650), (61, 316400), (70, 275720), (80, 241255), (100, 193004), (112, 172325), (113, 170800), (122, 158200), (140, 137860), (175, 110288), (200, 96502), (226, 85400), (244, 79100), (280, 68930), (305, 63280), (350, 55144), (400, 48251), (427, 45200), (452, 42700), (488, 39550), (560, 34465), (565, 34160), (610, 31640), (700, 27572), (791, 24400), (854, 22600), (904, 21350), (976, 19775), (1130, 17080), (1220, 15820), (1400, 13786), (1525, 12656), (1582, 12200), (1708, 11300), (1808, 10675), (2135, 9040), (2260, 8540), (2440, 7910), (2800, 6893), (2825, 6832), (3050, 6328), (3164, 6100), (3416, 5650), (3955, 4880), (4270, 4520)]