712265320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:647

約数の個数: 128

約数和(自身を含む): 1841162400

約数和(自身を除く): 1128897080

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 197, 221, 260, 340, 394, 409, 442, 520, 680, 788, 818, 884, 985, 1105, 1576, 1636, 1768, 1970, 2045, 2210, 2561, 3272, 3349, 3940, 4090, 4420, 5122, 5317, 6698, 6953, 7880, 8180, 8840, 10244, 10634, 12805, 13396, 13906, 16360, 16745, 20488, 21268, 25610, 26585, 26792, 27812, 33490, 34765, 42536, 43537, 51220, 53170, 55624, 66980, 69530, 80573, 87074, 90389, 102440, 106340, 133960, 139060, 161146, 174148, 180778, 212680, 217685, 278120, 322292, 348296, 361556, 402865, 435370, 451945, 644584, 723112, 805730, 870740, 903890, 1047449, 1369741, 1611460, 1741480, 1807780, 2094898, 2739482, 3222920, 3615560, 4189796, 5237245, 5478964, 6848705, 8379592, 10474490, 10957928, 13697410, 17806633, 20948980, 27394820, 35613266, 41897960, 54789640, 71226532, 89033165, 142453064, 178066330, 356132660, 712265320]

約数ペア:

[(1, 712265320), (2, 356132660), (4, 178066330), (5, 142453064), (8, 89033165), (10, 71226532), (13, 54789640), (17, 41897960), (20, 35613266), (26, 27394820), (34, 20948980), (40, 17806633), (52, 13697410), (65, 10957928), (68, 10474490), (85, 8379592), (104, 6848705), (130, 5478964), (136, 5237245), (170, 4189796), (197, 3615560), (221, 3222920), (260, 2739482), (340, 2094898), (394, 1807780), (409, 1741480), (442, 1611460), (520, 1369741), (680, 1047449), (788, 903890), (818, 870740), (884, 805730), (985, 723112), (1105, 644584), (1576, 451945), (1636, 435370), (1768, 402865), (1970, 361556), (2045, 348296), (2210, 322292), (2561, 278120), (3272, 217685), (3349, 212680), (3940, 180778), (4090, 174148), (4420, 161146), (5122, 139060), (5317, 133960), (6698, 106340), (6953, 102440), (7880, 90389), (8180, 87074), (8840, 80573), (10244, 69530), (10634, 66980), (12805, 55624), (13396, 53170), (13906, 51220), (16360, 43537), (16745, 42536), (20488, 34765), (21268, 33490), (25610, 27812), (26585, 26792)]