178502870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:310

約数の個数: 96

約数和(自身を含む): 404766720

約数和(自身を除く): 226263850

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 79, 91, 130, 158, 169, 182, 191, 338, 382, 395, 455, 553, 790, 845, 910, 955, 1027, 1106, 1183, 1337, 1690, 1910, 2054, 2366, 2483, 2674, 2765, 4966, 5135, 5530, 5915, 6685, 7189, 10270, 11830, 12415, 13351, 13370, 14378, 15089, 17381, 24830, 26702, 30178, 32279, 34762, 35945, 64558, 66755, 71890, 75445, 86905, 93457, 105623, 133510, 150890, 161395, 173810, 186914, 196157, 211246, 225953, 322790, 392314, 451906, 467285, 528115, 934570, 980785, 1056230, 1129765, 1373099, 1961570, 2259530, 2550041, 2746198, 5100082, 6865495, 12750205, 13730990, 17850287, 25500410, 35700574, 89251435, 178502870]

約数ペア:

[(1, 178502870), (2, 89251435), (5, 35700574), (7, 25500410), (10, 17850287), (13, 13730990), (14, 12750205), (26, 6865495), (35, 5100082), (65, 2746198), (70, 2550041), (79, 2259530), (91, 1961570), (130, 1373099), (158, 1129765), (169, 1056230), (182, 980785), (191, 934570), (338, 528115), (382, 467285), (395, 451906), (455, 392314), (553, 322790), (790, 225953), (845, 211246), (910, 196157), (955, 186914), (1027, 173810), (1106, 161395), (1183, 150890), (1337, 133510), (1690, 105623), (1910, 93457), (2054, 86905), (2366, 75445), (2483, 71890), (2674, 66755), (2765, 64558), (4966, 35945), (5135, 34762), (5530, 32279), (5915, 30178), (6685, 26702), (7189, 24830), (10270, 17381), (11830, 15089), (12415, 14378), (13351, 13370)]