17951850

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 56871360

約数和(自身を除く): 38919510

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 41, 42, 45, 50, 63, 70, 75, 82, 90, 105, 123, 126, 139, 150, 175, 205, 210, 225, 246, 278, 287, 315, 350, 369, 410, 417, 450, 525, 574, 615, 630, 695, 738, 834, 861, 973, 1025, 1050, 1230, 1251, 1390, 1435, 1575, 1722, 1845, 1946, 2050, 2085, 2502, 2583, 2870, 2919, 3075, 3150, 3475, 3690, 4170, 4305, 4865, 5166, 5699, 5838, 6150, 6255, 6950, 7175, 8610, 8757, 9225, 9730, 10425, 11398, 12510, 12915, 14350, 14595, 17097, 17514, 18450, 20850, 21525, 24325, 25830, 28495, 29190, 31275, 34194, 39893, 43050, 43785, 48650, 51291, 56990, 62550, 64575, 72975, 79786, 85485, 87570, 102582, 119679, 129150, 142475, 145950, 170970, 199465, 218925, 239358, 256455, 284950, 359037, 398930, 427425, 437850, 512910, 598395, 718074, 854850, 997325, 1196790, 1282275, 1795185, 1994650, 2564550, 2991975, 3590370, 5983950, 8975925, 17951850]

約数ペア:

[(1, 17951850), (2, 8975925), (3, 5983950), (5, 3590370), (6, 2991975), (7, 2564550), (9, 1994650), (10, 1795185), (14, 1282275), (15, 1196790), (18, 997325), (21, 854850), (25, 718074), (30, 598395), (35, 512910), (41, 437850), (42, 427425), (45, 398930), (50, 359037), (63, 284950), (70, 256455), (75, 239358), (82, 218925), (90, 199465), (105, 170970), (123, 145950), (126, 142475), (139, 129150), (150, 119679), (175, 102582), (205, 87570), (210, 85485), (225, 79786), (246, 72975), (278, 64575), (287, 62550), (315, 56990), (350, 51291), (369, 48650), (410, 43785), (417, 43050), (450, 39893), (525, 34194), (574, 31275), (615, 29190), (630, 28495), (695, 25830), (738, 24325), (834, 21525), (861, 20850), (973, 18450), (1025, 17514), (1050, 17097), (1230, 14595), (1251, 14350), (1390, 12915), (1435, 12510), (1575, 11398), (1722, 10425), (1845, 9730), (1946, 9225), (2050, 8757), (2085, 8610), (2502, 7175), (2583, 6950), (2870, 6255), (2919, 6150), (3075, 5838), (3150, 5699), (3475, 5166), (3690, 4865), (4170, 4305)]