2000804728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:525

約数の個数: 128

約数和(自身を含む): 4451328000

約数和(自身を除く): 2450523272

約数列:

[1, 2, 4, 8, 13, 19, 26, 31, 38, 52, 62, 76, 89, 104, 124, 152, 178, 247, 248, 356, 367, 403, 494, 589, 712, 734, 806, 988, 1157, 1178, 1468, 1612, 1691, 1976, 2314, 2356, 2759, 2936, 3224, 3382, 4628, 4712, 4771, 5518, 6764, 6973, 7657, 9256, 9542, 11036, 11377, 13528, 13946, 15314, 19084, 21983, 22072, 22754, 27892, 30628, 32663, 35867, 38168, 43966, 45508, 52421, 55784, 61256, 65326, 71734, 87932, 90649, 91016, 104842, 130652, 143468, 147901, 175864, 181298, 209684, 216163, 261304, 286936, 295802, 362596, 419368, 424619, 432326, 591604, 620597, 681473, 725192, 849238, 864652, 1012553, 1183208, 1241194, 1362946, 1698476, 1729304, 2025106, 2482388, 2725892, 2810119, 3396952, 4050212, 4964776, 5451784, 5620238, 8067761, 8100424, 11240476, 13163189, 16135522, 19238507, 22480952, 26326378, 32271044, 38477014, 52652756, 64542088, 76954028, 105305512, 153908056, 250100591, 500201182, 1000402364, 2000804728]

約数ペア:

[(1, 2000804728), (2, 1000402364), (4, 500201182), (8, 250100591), (13, 153908056), (19, 105305512), (26, 76954028), (31, 64542088), (38, 52652756), (52, 38477014), (62, 32271044), (76, 26326378), (89, 22480952), (104, 19238507), (124, 16135522), (152, 13163189), (178, 11240476), (247, 8100424), (248, 8067761), (356, 5620238), (367, 5451784), (403, 4964776), (494, 4050212), (589, 3396952), (712, 2810119), (734, 2725892), (806, 2482388), (988, 2025106), (1157, 1729304), (1178, 1698476), (1468, 1362946), (1612, 1241194), (1691, 1183208), (1976, 1012553), (2314, 864652), (2356, 849238), (2759, 725192), (2936, 681473), (3224, 620597), (3382, 591604), (4628, 432326), (4712, 424619), (4771, 419368), (5518, 362596), (6764, 295802), (6973, 286936), (7657, 261304), (9256, 216163), (9542, 209684), (11036, 181298), (11377, 175864), (13528, 147901), (13946, 143468), (15314, 130652), (19084, 104842), (21983, 91016), (22072, 90649), (22754, 87932), (27892, 71734), (30628, 65326), (32663, 61256), (35867, 55784), (38168, 52421), (43966, 45508)]