225791020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:552

約数の個数: 144

約数和(自身を含む): 611331840

約数和(自身を除く): 385540820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 49, 52, 65, 70, 74, 91, 98, 130, 140, 148, 182, 185, 196, 245, 259, 260, 364, 370, 455, 479, 481, 490, 518, 637, 740, 910, 958, 962, 980, 1036, 1274, 1295, 1813, 1820, 1916, 1924, 2395, 2405, 2548, 2590, 3185, 3353, 3367, 3626, 4790, 4810, 5180, 6227, 6370, 6706, 6734, 7252, 9065, 9580, 9620, 12454, 12740, 13412, 13468, 16765, 16835, 17723, 18130, 23471, 23569, 24908, 31135, 33530, 33670, 35446, 36260, 43589, 46942, 47138, 62270, 67060, 67340, 70892, 87178, 88615, 93884, 94276, 117355, 117845, 124061, 124540, 174356, 177230, 217945, 230399, 234710, 235690, 248122, 305123, 354460, 435890, 460798, 469420, 471380, 496244, 610246, 620305, 868427, 871780, 921596, 1151995, 1220492, 1240610, 1525615, 1612793, 1736854, 2303990, 2481220, 3051230, 3225586, 3473708, 4342135, 4607980, 6102460, 6451172, 8063965, 8684270, 11289551, 16127930, 17368540, 22579102, 32255860, 45158204, 56447755, 112895510, 225791020]

約数ペア:

[(1, 225791020), (2, 112895510), (4, 56447755), (5, 45158204), (7, 32255860), (10, 22579102), (13, 17368540), (14, 16127930), (20, 11289551), (26, 8684270), (28, 8063965), (35, 6451172), (37, 6102460), (49, 4607980), (52, 4342135), (65, 3473708), (70, 3225586), (74, 3051230), (91, 2481220), (98, 2303990), (130, 1736854), (140, 1612793), (148, 1525615), (182, 1240610), (185, 1220492), (196, 1151995), (245, 921596), (259, 871780), (260, 868427), (364, 620305), (370, 610246), (455, 496244), (479, 471380), (481, 469420), (490, 460798), (518, 435890), (637, 354460), (740, 305123), (910, 248122), (958, 235690), (962, 234710), (980, 230399), (1036, 217945), (1274, 177230), (1295, 174356), (1813, 124540), (1820, 124061), (1916, 117845), (1924, 117355), (2395, 94276), (2405, 93884), (2548, 88615), (2590, 87178), (3185, 70892), (3353, 67340), (3367, 67060), (3626, 62270), (4790, 47138), (4810, 46942), (5180, 43589), (6227, 36260), (6370, 35446), (6706, 33670), (6734, 33530), (7252, 31135), (9065, 24908), (9580, 23569), (9620, 23471), (12454, 18130), (12740, 17723), (13412, 16835), (13468, 16765)]