215689880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:549

約数の個数: 128

約数和(自身を含む): 593930880

約数和(自身を除く): 378241000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 113, 119, 136, 140, 170, 226, 238, 280, 340, 401, 452, 476, 565, 595, 680, 791, 802, 904, 952, 1130, 1190, 1582, 1604, 1921, 2005, 2260, 2380, 2807, 3164, 3208, 3842, 3955, 4010, 4520, 4760, 5614, 6328, 6817, 7684, 7910, 8020, 9605, 11228, 13447, 13634, 14035, 15368, 15820, 16040, 19210, 22456, 26894, 27268, 28070, 31640, 34085, 38420, 45313, 47719, 53788, 54536, 56140, 67235, 68170, 76840, 90626, 95438, 107576, 112280, 134470, 136340, 181252, 190876, 226565, 238595, 268940, 272680, 317191, 362504, 381752, 453130, 477190, 537880, 634382, 770321, 906260, 954380, 1268764, 1540642, 1585955, 1812520, 1908760, 2537528, 3081284, 3171910, 3851605, 5392247, 6162568, 6343820, 7703210, 10784494, 12687640, 15406420, 21568988, 26961235, 30812840, 43137976, 53922470, 107844940, 215689880]

約数ペア:

[(1, 215689880), (2, 107844940), (4, 53922470), (5, 43137976), (7, 30812840), (8, 26961235), (10, 21568988), (14, 15406420), (17, 12687640), (20, 10784494), (28, 7703210), (34, 6343820), (35, 6162568), (40, 5392247), (56, 3851605), (68, 3171910), (70, 3081284), (85, 2537528), (113, 1908760), (119, 1812520), (136, 1585955), (140, 1540642), (170, 1268764), (226, 954380), (238, 906260), (280, 770321), (340, 634382), (401, 537880), (452, 477190), (476, 453130), (565, 381752), (595, 362504), (680, 317191), (791, 272680), (802, 268940), (904, 238595), (952, 226565), (1130, 190876), (1190, 181252), (1582, 136340), (1604, 134470), (1921, 112280), (2005, 107576), (2260, 95438), (2380, 90626), (2807, 76840), (3164, 68170), (3208, 67235), (3842, 56140), (3955, 54536), (4010, 53788), (4520, 47719), (4760, 45313), (5614, 38420), (6328, 34085), (6817, 31640), (7684, 28070), (7910, 27268), (8020, 26894), (9605, 22456), (11228, 19210), (13447, 16040), (13634, 15820), (14035, 15368)]