205343100

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:378

約数の個数: 180

約数和(自身を含む): 674909928

約数和(自身を除く): 469566828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 101, 108, 135, 150, 162, 180, 202, 225, 251, 270, 300, 303, 324, 404, 405, 450, 502, 505, 540, 606, 675, 753, 810, 900, 909, 1004, 1010, 1212, 1255, 1350, 1506, 1515, 1620, 1818, 2020, 2025, 2259, 2510, 2525, 2700, 2727, 3012, 3030, 3636, 3765, 4050, 4518, 4545, 5020, 5050, 5454, 6060, 6275, 6777, 7530, 7575, 8100, 8181, 9036, 9090, 10100, 10908, 11295, 12550, 13554, 13635, 15060, 15150, 16362, 18180, 18825, 20331, 22590, 22725, 25100, 25351, 27108, 27270, 30300, 32724, 33885, 37650, 40662, 40905, 45180, 45450, 50702, 54540, 56475, 67770, 68175, 75300, 76053, 81324, 81810, 90900, 101404, 101655, 112950, 126755, 135540, 136350, 152106, 163620, 169425, 203310, 204525, 225900, 228159, 253510, 272700, 304212, 338850, 380265, 406620, 409050, 456318, 507020, 508275, 633775, 677700, 684477, 760530, 818100, 912636, 1016550, 1140795, 1267550, 1368954, 1521060, 1901325, 2033100, 2053431, 2281590, 2535100, 2737908, 3422385, 3802650, 4106862, 4563180, 5703975, 6844770, 7605300, 8213724, 10267155, 11407950, 13689540, 17111925, 20534310, 22815900, 34223850, 41068620, 51335775, 68447700, 102671550, 205343100]

約数ペア:

[(1, 205343100), (2, 102671550), (3, 68447700), (4, 51335775), (5, 41068620), (6, 34223850), (9, 22815900), (10, 20534310), (12, 17111925), (15, 13689540), (18, 11407950), (20, 10267155), (25, 8213724), (27, 7605300), (30, 6844770), (36, 5703975), (45, 4563180), (50, 4106862), (54, 3802650), (60, 3422385), (75, 2737908), (81, 2535100), (90, 2281590), (100, 2053431), (101, 2033100), (108, 1901325), (135, 1521060), (150, 1368954), (162, 1267550), (180, 1140795), (202, 1016550), (225, 912636), (251, 818100), (270, 760530), (300, 684477), (303, 677700), (324, 633775), (404, 508275), (405, 507020), (450, 456318), (502, 409050), (505, 406620), (540, 380265), (606, 338850), (675, 304212), (753, 272700), (810, 253510), (900, 228159), (909, 225900), (1004, 204525), (1010, 203310), (1212, 169425), (1255, 163620), (1350, 152106), (1506, 136350), (1515, 135540), (1620, 126755), (1818, 112950), (2020, 101655), (2025, 101404), (2259, 90900), (2510, 81810), (2525, 81324), (2700, 76053), (2727, 75300), (3012, 68175), (3030, 67770), (3636, 56475), (3765, 54540), (4050, 50702), (4518, 45450), (4545, 45180), (5020, 40905), (5050, 40662), (5454, 37650), (6060, 33885), (6275, 32724), (6777, 30300), (7530, 27270), (7575, 27108), (8100, 25351), (8181, 25100), (9036, 22725), (9090, 22590), (10100, 20331), (10908, 18825), (11295, 18180), (12550, 16362), (13554, 15150), (13635, 15060)]