427529440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:301

約数の個数: 144

約数和(自身を含む): 1111764528

約数和(自身を除く): 684235088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 97, 104, 130, 160, 163, 169, 194, 208, 260, 326, 338, 388, 416, 485, 520, 652, 676, 776, 815, 845, 970, 1040, 1261, 1304, 1352, 1552, 1630, 1690, 1940, 2080, 2119, 2522, 2608, 2704, 3104, 3260, 3380, 3880, 4238, 5044, 5216, 5408, 6305, 6520, 6760, 7760, 8476, 10088, 10595, 12610, 13040, 13520, 15520, 15811, 16393, 16952, 20176, 21190, 25220, 26080, 27040, 27547, 31622, 32786, 33904, 40352, 42380, 50440, 55094, 63244, 65572, 67808, 79055, 81965, 84760, 100880, 110188, 126488, 131144, 137735, 158110, 163930, 169520, 201760, 205543, 220376, 252976, 262288, 275470, 316220, 327860, 339040, 411086, 440752, 505952, 524576, 550940, 632440, 655720, 822172, 881504, 1027715, 1101880, 1264880, 1311440, 1644344, 2055430, 2203760, 2529760, 2622880, 2672059, 3288688, 4110860, 4407520, 5344118, 6577376, 8221720, 10688236, 13360295, 16443440, 21376472, 26720590, 32886880, 42752944, 53441180, 85505888, 106882360, 213764720, 427529440]

約数ペア:

[(1, 427529440), (2, 213764720), (4, 106882360), (5, 85505888), (8, 53441180), (10, 42752944), (13, 32886880), (16, 26720590), (20, 21376472), (26, 16443440), (32, 13360295), (40, 10688236), (52, 8221720), (65, 6577376), (80, 5344118), (97, 4407520), (104, 4110860), (130, 3288688), (160, 2672059), (163, 2622880), (169, 2529760), (194, 2203760), (208, 2055430), (260, 1644344), (326, 1311440), (338, 1264880), (388, 1101880), (416, 1027715), (485, 881504), (520, 822172), (652, 655720), (676, 632440), (776, 550940), (815, 524576), (845, 505952), (970, 440752), (1040, 411086), (1261, 339040), (1304, 327860), (1352, 316220), (1552, 275470), (1630, 262288), (1690, 252976), (1940, 220376), (2080, 205543), (2119, 201760), (2522, 169520), (2608, 163930), (2704, 158110), (3104, 137735), (3260, 131144), (3380, 126488), (3880, 110188), (4238, 100880), (5044, 84760), (5216, 81965), (5408, 79055), (6305, 67808), (6520, 65572), (6760, 63244), (7760, 55094), (8476, 50440), (10088, 42380), (10595, 40352), (12610, 33904), (13040, 32786), (13520, 31622), (15520, 27547), (15811, 27040), (16393, 26080), (16952, 25220), (20176, 21190)]