16947700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 47996928

約数和(自身を除く): 31049228

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 31, 35, 44, 50, 55, 62, 70, 71, 77, 100, 110, 124, 140, 142, 154, 155, 175, 217, 220, 275, 284, 308, 310, 341, 350, 355, 385, 434, 497, 550, 620, 682, 700, 710, 770, 775, 781, 868, 994, 1085, 1100, 1364, 1420, 1540, 1550, 1562, 1705, 1775, 1925, 1988, 2170, 2201, 2387, 2485, 3100, 3124, 3410, 3550, 3850, 3905, 4340, 4402, 4774, 4970, 5425, 5467, 6820, 7100, 7700, 7810, 8525, 8804, 9548, 9940, 10850, 10934, 11005, 11935, 12425, 15407, 15620, 17050, 19525, 21700, 21868, 22010, 23870, 24211, 24850, 27335, 30814, 34100, 39050, 44020, 47740, 48422, 49700, 54670, 55025, 59675, 61628, 77035, 78100, 96844, 109340, 110050, 119350, 121055, 136675, 154070, 169477, 220100, 238700, 242110, 273350, 308140, 338954, 385175, 484220, 546700, 605275, 677908, 770350, 847385, 1210550, 1540700, 1694770, 2421100, 3389540, 4236925, 8473850, 16947700]

約数ペア:

[(1, 16947700), (2, 8473850), (4, 4236925), (5, 3389540), (7, 2421100), (10, 1694770), (11, 1540700), (14, 1210550), (20, 847385), (22, 770350), (25, 677908), (28, 605275), (31, 546700), (35, 484220), (44, 385175), (50, 338954), (55, 308140), (62, 273350), (70, 242110), (71, 238700), (77, 220100), (100, 169477), (110, 154070), (124, 136675), (140, 121055), (142, 119350), (154, 110050), (155, 109340), (175, 96844), (217, 78100), (220, 77035), (275, 61628), (284, 59675), (308, 55025), (310, 54670), (341, 49700), (350, 48422), (355, 47740), (385, 44020), (434, 39050), (497, 34100), (550, 30814), (620, 27335), (682, 24850), (700, 24211), (710, 23870), (770, 22010), (775, 21868), (781, 21700), (868, 19525), (994, 17050), (1085, 15620), (1100, 15407), (1364, 12425), (1420, 11935), (1540, 11005), (1550, 10934), (1562, 10850), (1705, 9940), (1775, 9548), (1925, 8804), (1988, 8525), (2170, 7810), (2201, 7700), (2387, 7100), (2485, 6820), (3100, 5467), (3124, 5425), (3410, 4970), (3550, 4774), (3850, 4402), (3905, 4340)]