28481460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3989}}^1$

素因数の和:4025

約数の個数: 96

約数和(自身を含む): 96526080

約数和(自身を除く): 68044620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 3989, 7140, 7978, 11967, 15956, 19945, 23934, 27923, 39890, 47868, 55846, 59835, 67813, 79780, 83769, 111692, 119670, 135626, 139615, 167538, 203439, 239340, 271252, 279230, 335076, 339065, 406878, 418845, 474691, 558460, 678130, 813756, 837690, 949382, 1017195, 1356260, 1424073, 1675380, 1898764, 2034390, 2373455, 2848146, 4068780, 4746910, 5696292, 7120365, 9493820, 14240730, 28481460]

約数ペア:

[(1, 28481460), (2, 14240730), (3, 9493820), (4, 7120365), (5, 5696292), (6, 4746910), (7, 4068780), (10, 2848146), (12, 2373455), (14, 2034390), (15, 1898764), (17, 1675380), (20, 1424073), (21, 1356260), (28, 1017195), (30, 949382), (34, 837690), (35, 813756), (42, 678130), (51, 558460), (60, 474691), (68, 418845), (70, 406878), (84, 339065), (85, 335076), (102, 279230), (105, 271252), (119, 239340), (140, 203439), (170, 167538), (204, 139615), (210, 135626), (238, 119670), (255, 111692), (340, 83769), (357, 79780), (420, 67813), (476, 59835), (510, 55846), (595, 47868), (714, 39890), (1020, 27923), (1190, 23934), (1428, 19945), (1785, 15956), (2380, 11967), (3570, 7978), (3989, 7140)]