38819820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:499

約数の個数: 96

約数和(自身を含む): 118173888

約数和(自身を除く): 79354068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 157, 195, 260, 314, 317, 390, 471, 628, 634, 780, 785, 942, 951, 1268, 1570, 1585, 1884, 1902, 2041, 2355, 3140, 3170, 3804, 4082, 4121, 4710, 4755, 6123, 6340, 8164, 8242, 9420, 9510, 10205, 12246, 12363, 16484, 19020, 20410, 20605, 24492, 24726, 30615, 40820, 41210, 49452, 49769, 61230, 61815, 82420, 99538, 122460, 123630, 149307, 199076, 247260, 248845, 298614, 497690, 597228, 646997, 746535, 995380, 1293994, 1493070, 1940991, 2587988, 2986140, 3234985, 3881982, 6469970, 7763964, 9704955, 12939940, 19409910, 38819820]

約数ペア:

[(1, 38819820), (2, 19409910), (3, 12939940), (4, 9704955), (5, 7763964), (6, 6469970), (10, 3881982), (12, 3234985), (13, 2986140), (15, 2587988), (20, 1940991), (26, 1493070), (30, 1293994), (39, 995380), (52, 746535), (60, 646997), (65, 597228), (78, 497690), (130, 298614), (156, 248845), (157, 247260), (195, 199076), (260, 149307), (314, 123630), (317, 122460), (390, 99538), (471, 82420), (628, 61815), (634, 61230), (780, 49769), (785, 49452), (942, 41210), (951, 40820), (1268, 30615), (1570, 24726), (1585, 24492), (1884, 20605), (1902, 20410), (2041, 19020), (2355, 16484), (3140, 12363), (3170, 12246), (3804, 10205), (4082, 9510), (4121, 9420), (4710, 8242), (4755, 8164), (6123, 6340)]