204345820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1$

素因数の和:539

約数の個数: 96

約数和(自身を含む): 509902848

約数和(自身を除く): 305557028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 103, 140, 148, 185, 206, 259, 370, 383, 412, 515, 518, 721, 740, 766, 1030, 1036, 1295, 1442, 1532, 1915, 2060, 2590, 2681, 2884, 3605, 3811, 3830, 5180, 5362, 7210, 7622, 7660, 10724, 13405, 14171, 14420, 15244, 19055, 26677, 26810, 28342, 38110, 39449, 53354, 53620, 56684, 70855, 76220, 78898, 99197, 106708, 133385, 141710, 157796, 197245, 198394, 266770, 276143, 283420, 394490, 396788, 495985, 533540, 552286, 788980, 991970, 1104572, 1380715, 1459613, 1983940, 2761430, 2919226, 5522860, 5838452, 7298065, 10217291, 14596130, 20434582, 29192260, 40869164, 51086455, 102172910, 204345820]

約数ペア:

[(1, 204345820), (2, 102172910), (4, 51086455), (5, 40869164), (7, 29192260), (10, 20434582), (14, 14596130), (20, 10217291), (28, 7298065), (35, 5838452), (37, 5522860), (70, 2919226), (74, 2761430), (103, 1983940), (140, 1459613), (148, 1380715), (185, 1104572), (206, 991970), (259, 788980), (370, 552286), (383, 533540), (412, 495985), (515, 396788), (518, 394490), (721, 283420), (740, 276143), (766, 266770), (1030, 198394), (1036, 197245), (1295, 157796), (1442, 141710), (1532, 133385), (1915, 106708), (2060, 99197), (2590, 78898), (2681, 76220), (2884, 70855), (3605, 56684), (3811, 53620), (3830, 53354), (5180, 39449), (5362, 38110), (7210, 28342), (7622, 26810), (7660, 26677), (10724, 19055), (13405, 15244), (14171, 14420)]