209542500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 180

約数和(自身を含む): 676595920

約数和(自身を除く): 467053420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 67, 75, 90, 100, 125, 134, 139, 150, 180, 201, 225, 250, 268, 278, 300, 335, 375, 402, 417, 450, 500, 556, 603, 625, 670, 695, 750, 804, 834, 900, 1005, 1125, 1206, 1250, 1251, 1340, 1390, 1500, 1668, 1675, 1875, 2010, 2085, 2250, 2412, 2500, 2502, 2780, 3015, 3350, 3475, 3750, 4020, 4170, 4500, 5004, 5025, 5625, 6030, 6255, 6700, 6950, 7500, 8340, 8375, 9313, 10050, 10425, 11250, 12060, 12510, 13900, 15075, 16750, 17375, 18626, 20100, 20850, 22500, 25020, 25125, 27939, 30150, 31275, 33500, 34750, 37252, 41700, 41875, 46565, 50250, 52125, 55878, 60300, 62550, 69500, 75375, 83750, 83817, 86875, 93130, 100500, 104250, 111756, 125100, 125625, 139695, 150750, 156375, 167500, 167634, 173750, 186260, 208500, 232825, 251250, 260625, 279390, 301500, 312750, 335268, 347500, 376875, 419085, 465650, 502500, 521250, 558780, 625500, 698475, 753750, 781875, 838170, 931300, 1042500, 1164125, 1396950, 1507500, 1563750, 1676340, 2095425, 2328250, 2793900, 3127500, 3492375, 4190850, 4656500, 5820625, 6984750, 8381700, 10477125, 11641250, 13969500, 17461875, 20954250, 23282500, 34923750, 41908500, 52385625, 69847500, 104771250, 209542500]

約数ペア:

[(1, 209542500), (2, 104771250), (3, 69847500), (4, 52385625), (5, 41908500), (6, 34923750), (9, 23282500), (10, 20954250), (12, 17461875), (15, 13969500), (18, 11641250), (20, 10477125), (25, 8381700), (30, 6984750), (36, 5820625), (45, 4656500), (50, 4190850), (60, 3492375), (67, 3127500), (75, 2793900), (90, 2328250), (100, 2095425), (125, 1676340), (134, 1563750), (139, 1507500), (150, 1396950), (180, 1164125), (201, 1042500), (225, 931300), (250, 838170), (268, 781875), (278, 753750), (300, 698475), (335, 625500), (375, 558780), (402, 521250), (417, 502500), (450, 465650), (500, 419085), (556, 376875), (603, 347500), (625, 335268), (670, 312750), (695, 301500), (750, 279390), (804, 260625), (834, 251250), (900, 232825), (1005, 208500), (1125, 186260), (1206, 173750), (1250, 167634), (1251, 167500), (1340, 156375), (1390, 150750), (1500, 139695), (1668, 125625), (1675, 125100), (1875, 111756), (2010, 104250), (2085, 100500), (2250, 93130), (2412, 86875), (2500, 83817), (2502, 83750), (2780, 75375), (3015, 69500), (3350, 62550), (3475, 60300), (3750, 55878), (4020, 52125), (4170, 50250), (4500, 46565), (5004, 41875), (5025, 41700), (5625, 37252), (6030, 34750), (6255, 33500), (6700, 31275), (6950, 30150), (7500, 27939), (8340, 25125), (8375, 25020), (9313, 22500), (10050, 20850), (10425, 20100), (11250, 18626), (12060, 17375), (12510, 16750), (13900, 15075)]