254657620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1597}}^1$

素因数の和:1697

約数の個数: 96

約数和(自身を含む): 657199872

約数和(自身を除く): 402542252

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 67, 68, 70, 85, 119, 134, 140, 170, 238, 268, 335, 340, 469, 476, 595, 670, 938, 1139, 1190, 1340, 1597, 1876, 2278, 2345, 2380, 3194, 4556, 4690, 5695, 6388, 7973, 7985, 9380, 11179, 11390, 15946, 15970, 22358, 22780, 27149, 31892, 31940, 39865, 44716, 54298, 55895, 79730, 106999, 108596, 111790, 135745, 159460, 190043, 213998, 223580, 271490, 380086, 427996, 534995, 542980, 748993, 760172, 950215, 1069990, 1497986, 1818983, 1900430, 2139980, 2995972, 3637966, 3744965, 3800860, 7275932, 7489930, 9094915, 12732881, 14979860, 18189830, 25465762, 36379660, 50931524, 63664405, 127328810, 254657620]

約数ペア:

[(1, 254657620), (2, 127328810), (4, 63664405), (5, 50931524), (7, 36379660), (10, 25465762), (14, 18189830), (17, 14979860), (20, 12732881), (28, 9094915), (34, 7489930), (35, 7275932), (67, 3800860), (68, 3744965), (70, 3637966), (85, 2995972), (119, 2139980), (134, 1900430), (140, 1818983), (170, 1497986), (238, 1069990), (268, 950215), (335, 760172), (340, 748993), (469, 542980), (476, 534995), (595, 427996), (670, 380086), (938, 271490), (1139, 223580), (1190, 213998), (1340, 190043), (1597, 159460), (1876, 135745), (2278, 111790), (2345, 108596), (2380, 106999), (3194, 79730), (4556, 55895), (4690, 54298), (5695, 44716), (6388, 39865), (7973, 31940), (7985, 31892), (9380, 27149), (11179, 22780), (11390, 22358), (15946, 15970)]