209200040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{18223}}^1$

素因数の和:18282

約数の個数: 64

約数和(自身を含む): 551093760

約数和(自身を除く): 341893720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 11480, 18223, 36446, 72892, 91115, 127561, 145784, 182230, 255122, 364460, 510244, 637805, 728920, 747143, 1020488, 1275610, 1494286, 2551220, 2988572, 3735715, 5102440, 5230001, 5977144, 7471430, 10460002, 14942860, 20920004, 26150005, 29885720, 41840008, 52300010, 104600020, 209200040]

約数ペア:

[(1, 209200040), (2, 104600020), (4, 52300010), (5, 41840008), (7, 29885720), (8, 26150005), (10, 20920004), (14, 14942860), (20, 10460002), (28, 7471430), (35, 5977144), (40, 5230001), (41, 5102440), (56, 3735715), (70, 2988572), (82, 2551220), (140, 1494286), (164, 1275610), (205, 1020488), (280, 747143), (287, 728920), (328, 637805), (410, 510244), (574, 364460), (820, 255122), (1148, 182230), (1435, 145784), (1640, 127561), (2296, 91115), (2870, 72892), (5740, 36446), (11480, 18223)]