890666550

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{197}}^2$

素因数の和:432

約数の個数: 144

約数和(自身を含む): 2611908720

約数和(自身を除く): 1721242170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 27, 30, 34, 45, 50, 51, 54, 75, 85, 90, 102, 135, 150, 153, 170, 197, 225, 255, 270, 306, 394, 425, 450, 459, 510, 591, 675, 765, 850, 918, 985, 1182, 1275, 1350, 1530, 1773, 1970, 2295, 2550, 2955, 3349, 3546, 3825, 4590, 4925, 5319, 5910, 6698, 7650, 8865, 9850, 10047, 10638, 11475, 14775, 16745, 17730, 20094, 22950, 26595, 29550, 30141, 33490, 38809, 44325, 50235, 53190, 60282, 77618, 83725, 88650, 90423, 100470, 116427, 132975, 150705, 167450, 180846, 194045, 232854, 251175, 265950, 301410, 349281, 388090, 452115, 502350, 582135, 659753, 698562, 753525, 904230, 970225, 1047843, 1164270, 1319506, 1507050, 1746405, 1940450, 1979259, 2095686, 2260575, 2910675, 3298765, 3492810, 3958518, 4521150, 5239215, 5821350, 5937777, 6597530, 8732025, 9896295, 10478430, 11875554, 16493825, 17464050, 17813331, 19792590, 26196075, 29688885, 32987650, 35626662, 49481475, 52392150, 59377770, 89066655, 98962950, 148444425, 178133310, 296888850, 445333275, 890666550]

約数ペア:

[(1, 890666550), (2, 445333275), (3, 296888850), (5, 178133310), (6, 148444425), (9, 98962950), (10, 89066655), (15, 59377770), (17, 52392150), (18, 49481475), (25, 35626662), (27, 32987650), (30, 29688885), (34, 26196075), (45, 19792590), (50, 17813331), (51, 17464050), (54, 16493825), (75, 11875554), (85, 10478430), (90, 9896295), (102, 8732025), (135, 6597530), (150, 5937777), (153, 5821350), (170, 5239215), (197, 4521150), (225, 3958518), (255, 3492810), (270, 3298765), (306, 2910675), (394, 2260575), (425, 2095686), (450, 1979259), (459, 1940450), (510, 1746405), (591, 1507050), (675, 1319506), (765, 1164270), (850, 1047843), (918, 970225), (985, 904230), (1182, 753525), (1275, 698562), (1350, 659753), (1530, 582135), (1773, 502350), (1970, 452115), (2295, 388090), (2550, 349281), (2955, 301410), (3349, 265950), (3546, 251175), (3825, 232854), (4590, 194045), (4925, 180846), (5319, 167450), (5910, 150705), (6698, 132975), (7650, 116427), (8865, 100470), (9850, 90423), (10047, 88650), (10638, 83725), (11475, 77618), (14775, 60282), (16745, 53190), (17730, 50235), (20094, 44325), (22950, 38809), (26595, 33490), (29550, 30141)]