238507470

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:431

約数の個数: 128

約数和(自身を含む): 670464000

約数和(自身を除く): 431956530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 193, 199, 207, 230, 270, 345, 386, 398, 414, 579, 597, 621, 690, 965, 995, 1035, 1158, 1194, 1242, 1737, 1791, 1930, 1990, 2070, 2895, 2985, 3105, 3474, 3582, 4439, 4577, 5211, 5373, 5790, 5970, 6210, 8685, 8878, 8955, 9154, 10422, 10746, 13317, 13731, 17370, 17910, 22195, 22885, 26055, 26634, 26865, 27462, 38407, 39951, 41193, 44390, 45770, 52110, 53730, 66585, 68655, 76814, 79902, 82386, 115221, 119853, 123579, 133170, 137310, 192035, 199755, 205965, 230442, 239706, 247158, 345663, 384070, 399510, 411930, 576105, 599265, 617895, 691326, 883361, 1036989, 1152210, 1198530, 1235790, 1728315, 1766722, 2073978, 2650083, 3456630, 4416805, 5184945, 5300166, 7950249, 8833610, 10369890, 13250415, 15900498, 23850747, 26500830, 39751245, 47701494, 79502490, 119253735, 238507470]

約数ペア:

[(1, 238507470), (2, 119253735), (3, 79502490), (5, 47701494), (6, 39751245), (9, 26500830), (10, 23850747), (15, 15900498), (18, 13250415), (23, 10369890), (27, 8833610), (30, 7950249), (45, 5300166), (46, 5184945), (54, 4416805), (69, 3456630), (90, 2650083), (115, 2073978), (135, 1766722), (138, 1728315), (193, 1235790), (199, 1198530), (207, 1152210), (230, 1036989), (270, 883361), (345, 691326), (386, 617895), (398, 599265), (414, 576105), (579, 411930), (597, 399510), (621, 384070), (690, 345663), (965, 247158), (995, 239706), (1035, 230442), (1158, 205965), (1194, 199755), (1242, 192035), (1737, 137310), (1791, 133170), (1930, 123579), (1990, 119853), (2070, 115221), (2895, 82386), (2985, 79902), (3105, 76814), (3474, 68655), (3582, 66585), (4439, 53730), (4577, 52110), (5211, 45770), (5373, 44390), (5790, 41193), (5970, 39951), (6210, 38407), (8685, 27462), (8878, 26865), (8955, 26634), (9154, 26055), (10422, 22885), (10746, 22195), (13317, 17910), (13731, 17370)]