218412450

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:494

約数の個数: 120

約数和(自身を含む): 612163200

約数和(自身を除く): 393750750

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 199, 225, 270, 271, 398, 405, 450, 542, 597, 675, 810, 813, 995, 1194, 1350, 1355, 1626, 1791, 1990, 2025, 2439, 2710, 2985, 3582, 4050, 4065, 4878, 4975, 5373, 5970, 6775, 7317, 8130, 8955, 9950, 10746, 12195, 13550, 14634, 14925, 16119, 17910, 20325, 21951, 24390, 26865, 29850, 32238, 36585, 40650, 43902, 44775, 53730, 53929, 60975, 73170, 80595, 89550, 107858, 109755, 121950, 134325, 161190, 161787, 182925, 219510, 268650, 269645, 323574, 365850, 402975, 485361, 539290, 548775, 805950, 808935, 970722, 1097550, 1348225, 1456083, 1617870, 2426805, 2696450, 2912166, 4044675, 4368249, 4853610, 7280415, 8089350, 8736498, 12134025, 14560830, 21841245, 24268050, 36402075, 43682490, 72804150, 109206225, 218412450]

約数ペア:

[(1, 218412450), (2, 109206225), (3, 72804150), (5, 43682490), (6, 36402075), (9, 24268050), (10, 21841245), (15, 14560830), (18, 12134025), (25, 8736498), (27, 8089350), (30, 7280415), (45, 4853610), (50, 4368249), (54, 4044675), (75, 2912166), (81, 2696450), (90, 2426805), (135, 1617870), (150, 1456083), (162, 1348225), (199, 1097550), (225, 970722), (270, 808935), (271, 805950), (398, 548775), (405, 539290), (450, 485361), (542, 402975), (597, 365850), (675, 323574), (810, 269645), (813, 268650), (995, 219510), (1194, 182925), (1350, 161787), (1355, 161190), (1626, 134325), (1791, 121950), (1990, 109755), (2025, 107858), (2439, 89550), (2710, 80595), (2985, 73170), (3582, 60975), (4050, 53929), (4065, 53730), (4878, 44775), (4975, 43902), (5373, 40650), (5970, 36585), (6775, 32238), (7317, 29850), (8130, 26865), (8955, 24390), (9950, 21951), (10746, 20325), (12195, 17910), (13550, 16119), (14634, 14925)]