251783910

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1319}}^1$

素因数の和:1443

約数の個数: 128

約数和(自身を含む): 775526400

約数和(自身を除く): 523742490

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 101, 105, 126, 135, 189, 202, 210, 270, 303, 315, 378, 505, 606, 630, 707, 909, 945, 1010, 1319, 1414, 1515, 1818, 1890, 2121, 2638, 2727, 3030, 3535, 3957, 4242, 4545, 5454, 6363, 6595, 7070, 7914, 9090, 9233, 10605, 11871, 12726, 13190, 13635, 18466, 19089, 19785, 21210, 23742, 27270, 27699, 31815, 35613, 38178, 39570, 46165, 55398, 59355, 63630, 71226, 83097, 92330, 95445, 118710, 133219, 138495, 166194, 178065, 190890, 249291, 266438, 276990, 356130, 399657, 415485, 498582, 666095, 799314, 830970, 932533, 1198971, 1246455, 1332190, 1865066, 1998285, 2397942, 2492910, 2797599, 3596913, 3996570, 4662665, 5595198, 5994855, 7193826, 8392797, 9325330, 11989710, 13987995, 16785594, 17984565, 25178391, 27975990, 35969130, 41963985, 50356782, 83927970, 125891955, 251783910]

約数ペア:

[(1, 251783910), (2, 125891955), (3, 83927970), (5, 50356782), (6, 41963985), (7, 35969130), (9, 27975990), (10, 25178391), (14, 17984565), (15, 16785594), (18, 13987995), (21, 11989710), (27, 9325330), (30, 8392797), (35, 7193826), (42, 5994855), (45, 5595198), (54, 4662665), (63, 3996570), (70, 3596913), (90, 2797599), (101, 2492910), (105, 2397942), (126, 1998285), (135, 1865066), (189, 1332190), (202, 1246455), (210, 1198971), (270, 932533), (303, 830970), (315, 799314), (378, 666095), (505, 498582), (606, 415485), (630, 399657), (707, 356130), (909, 276990), (945, 266438), (1010, 249291), (1319, 190890), (1414, 178065), (1515, 166194), (1818, 138495), (1890, 133219), (2121, 118710), (2638, 95445), (2727, 92330), (3030, 83097), (3535, 71226), (3957, 63630), (4242, 59355), (4545, 55398), (5454, 46165), (6363, 39570), (6595, 38178), (7070, 35613), (7914, 31815), (9090, 27699), (9233, 27270), (10605, 23742), (11871, 21210), (12726, 19785), (13190, 19089), (13635, 18466)]