78694700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{389}}^1$

素因数の和:444

約数の個数: 108

約数和(自身を含む): 207851280

約数和(自身を除く): 129156580

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 140, 170, 175, 238, 289, 340, 350, 389, 425, 476, 578, 595, 700, 778, 850, 1156, 1190, 1445, 1556, 1700, 1945, 2023, 2380, 2723, 2890, 2975, 3890, 4046, 5446, 5780, 5950, 6613, 7225, 7780, 8092, 9725, 10115, 10892, 11900, 13226, 13615, 14450, 19450, 20230, 26452, 27230, 28900, 33065, 38900, 40460, 46291, 50575, 54460, 66130, 68075, 92582, 101150, 112421, 132260, 136150, 165325, 185164, 202300, 224842, 231455, 272300, 330650, 449684, 462910, 562105, 661300, 786947, 925820, 1124210, 1157275, 1573894, 2248420, 2314550, 2810525, 3147788, 3934735, 4629100, 5621050, 7869470, 11242100, 15738940, 19673675, 39347350, 78694700]

約数ペア:

[(1, 78694700), (2, 39347350), (4, 19673675), (5, 15738940), (7, 11242100), (10, 7869470), (14, 5621050), (17, 4629100), (20, 3934735), (25, 3147788), (28, 2810525), (34, 2314550), (35, 2248420), (50, 1573894), (68, 1157275), (70, 1124210), (85, 925820), (100, 786947), (119, 661300), (140, 562105), (170, 462910), (175, 449684), (238, 330650), (289, 272300), (340, 231455), (350, 224842), (389, 202300), (425, 185164), (476, 165325), (578, 136150), (595, 132260), (700, 112421), (778, 101150), (850, 92582), (1156, 68075), (1190, 66130), (1445, 54460), (1556, 50575), (1700, 46291), (1945, 40460), (2023, 38900), (2380, 33065), (2723, 28900), (2890, 27230), (2975, 26452), (3890, 20230), (4046, 19450), (5446, 14450), (5780, 13615), (5950, 13226), (6613, 11900), (7225, 10892), (7780, 10115), (8092, 9725)]