205495360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{461}}^1$

素因数の和:684

約数の個数: 112

約数和(自身を含む): 563270400

約数和(自身を除く): 357775040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 199, 224, 280, 320, 398, 448, 461, 560, 796, 922, 995, 1120, 1393, 1592, 1844, 1990, 2240, 2305, 2786, 3184, 3227, 3688, 3980, 4610, 5572, 6368, 6454, 6965, 7376, 7960, 9220, 11144, 12736, 12908, 13930, 14752, 15920, 16135, 18440, 22288, 25816, 27860, 29504, 31840, 32270, 36880, 44576, 51632, 55720, 63680, 64540, 73760, 89152, 91739, 103264, 111440, 129080, 147520, 183478, 206528, 222880, 258160, 366956, 445760, 458695, 516320, 642173, 733912, 917390, 1032640, 1284346, 1467824, 1834780, 2568692, 2935648, 3210865, 3669560, 5137384, 5871296, 6421730, 7339120, 10274768, 12843460, 14678240, 20549536, 25686920, 29356480, 41099072, 51373840, 102747680, 205495360]

約数ペア:

[(1, 205495360), (2, 102747680), (4, 51373840), (5, 41099072), (7, 29356480), (8, 25686920), (10, 20549536), (14, 14678240), (16, 12843460), (20, 10274768), (28, 7339120), (32, 6421730), (35, 5871296), (40, 5137384), (56, 3669560), (64, 3210865), (70, 2935648), (80, 2568692), (112, 1834780), (140, 1467824), (160, 1284346), (199, 1032640), (224, 917390), (280, 733912), (320, 642173), (398, 516320), (448, 458695), (461, 445760), (560, 366956), (796, 258160), (922, 222880), (995, 206528), (1120, 183478), (1393, 147520), (1592, 129080), (1844, 111440), (1990, 103264), (2240, 91739), (2305, 89152), (2786, 73760), (3184, 64540), (3227, 63680), (3688, 55720), (3980, 51632), (4610, 44576), (5572, 36880), (6368, 32270), (6454, 31840), (6965, 29504), (7376, 27860), (7960, 25816), (9220, 22288), (11144, 18440), (12736, 16135), (12908, 15920), (13930, 14752)]