28695660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4019}}^1$

素因数の和:4055

約数の個数: 96

約数和(自身を含む): 97251840

約数和(自身を除く): 68556180

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, 4019, 7140, 8038, 12057, 16076, 20095, 24114, 28133, 40190, 48228, 56266, 60285, 68323, 80380, 84399, 112532, 120570, 136646, 140665, 168798, 204969, 241140, 273292, 281330, 337596, 341615, 409938, 421995, 478261, 562660, 683230, 819876, 843990, 956522, 1024845, 1366460, 1434783, 1687980, 1913044, 2049690, 2391305, 2869566, 4099380, 4782610, 5739132, 7173915, 9565220, 14347830, 28695660]

約数ペア:

[(1, 28695660), (2, 14347830), (3, 9565220), (4, 7173915), (5, 5739132), (6, 4782610), (7, 4099380), (10, 2869566), (12, 2391305), (14, 2049690), (15, 1913044), (17, 1687980), (20, 1434783), (21, 1366460), (28, 1024845), (30, 956522), (34, 843990), (35, 819876), (42, 683230), (51, 562660), (60, 478261), (68, 421995), (70, 409938), (84, 341615), (85, 337596), (102, 281330), (105, 273292), (119, 241140), (140, 204969), (170, 168798), (204, 140665), (210, 136646), (238, 120570), (255, 112532), (340, 84399), (357, 80380), (420, 68323), (476, 60285), (510, 56266), (595, 48228), (714, 40190), (1020, 28133), (1190, 24114), (1428, 20095), (1785, 16076), (2380, 12057), (3570, 8038), (4019, 7140)]