788144420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:442

約数の個数: 144

約数和(自身を含む): 2009810880

約数和(自身を除く): 1221666460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 59, 70, 86, 98, 118, 140, 172, 196, 215, 236, 245, 295, 301, 317, 413, 430, 490, 590, 602, 634, 826, 860, 980, 1180, 1204, 1268, 1505, 1585, 1652, 2065, 2107, 2219, 2537, 2891, 3010, 3170, 4130, 4214, 4438, 5074, 5782, 6020, 6340, 8260, 8428, 8876, 10148, 10535, 11095, 11564, 12685, 13631, 14455, 15533, 17759, 18703, 21070, 22190, 25370, 27262, 28910, 31066, 35518, 37406, 42140, 44380, 50740, 54524, 57820, 62132, 68155, 71036, 74812, 77665, 88795, 93515, 95417, 124313, 130921, 136310, 155330, 177590, 187030, 190834, 248626, 261842, 272620, 310660, 355180, 374060, 381668, 477085, 497252, 523684, 621565, 654605, 667919, 804229, 916447, 954170, 1243130, 1309210, 1335838, 1608458, 1832894, 1908340, 2486260, 2618420, 2671676, 3216916, 3339595, 3665788, 4021145, 4582235, 5629603, 6679190, 8042290, 9164470, 11259206, 13358380, 16084580, 18328940, 22518412, 28148015, 39407221, 56296030, 78814442, 112592060, 157628884, 197036105, 394072210, 788144420]

約数ペア:

[(1, 788144420), (2, 394072210), (4, 197036105), (5, 157628884), (7, 112592060), (10, 78814442), (14, 56296030), (20, 39407221), (28, 28148015), (35, 22518412), (43, 18328940), (49, 16084580), (59, 13358380), (70, 11259206), (86, 9164470), (98, 8042290), (118, 6679190), (140, 5629603), (172, 4582235), (196, 4021145), (215, 3665788), (236, 3339595), (245, 3216916), (295, 2671676), (301, 2618420), (317, 2486260), (413, 1908340), (430, 1832894), (490, 1608458), (590, 1335838), (602, 1309210), (634, 1243130), (826, 954170), (860, 916447), (980, 804229), (1180, 667919), (1204, 654605), (1268, 621565), (1505, 523684), (1585, 497252), (1652, 477085), (2065, 381668), (2107, 374060), (2219, 355180), (2537, 310660), (2891, 272620), (3010, 261842), (3170, 248626), (4130, 190834), (4214, 187030), (4438, 177590), (5074, 155330), (5782, 136310), (6020, 130921), (6340, 124313), (8260, 95417), (8428, 93515), (8876, 88795), (10148, 77665), (10535, 74812), (11095, 71036), (11564, 68155), (12685, 62132), (13631, 57820), (14455, 54524), (15533, 50740), (17759, 44380), (18703, 42140), (21070, 37406), (22190, 35518), (25370, 31066), (27262, 28910)]