71257450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:220

約数の個数: 96

約数和(自身を含む): 155561472

約数和(自身を除く): 84304022

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 43, 46, 50, 55, 86, 110, 115, 131, 215, 230, 253, 262, 275, 430, 473, 506, 550, 575, 655, 946, 989, 1075, 1150, 1265, 1310, 1441, 1978, 2150, 2365, 2530, 2882, 3013, 3275, 4730, 4945, 5633, 6026, 6325, 6550, 7205, 9890, 10879, 11266, 11825, 12650, 14410, 15065, 21758, 23650, 24725, 28165, 30130, 33143, 36025, 49450, 54395, 56330, 61963, 66286, 72050, 75325, 108790, 123926, 129559, 140825, 150650, 165715, 259118, 271975, 281650, 309815, 331430, 543950, 619630, 647795, 828575, 1295590, 1425149, 1549075, 1657150, 2850298, 3098150, 3238975, 6477950, 7125745, 14251490, 35628725, 71257450]

約数ペア:

[(1, 71257450), (2, 35628725), (5, 14251490), (10, 7125745), (11, 6477950), (22, 3238975), (23, 3098150), (25, 2850298), (43, 1657150), (46, 1549075), (50, 1425149), (55, 1295590), (86, 828575), (110, 647795), (115, 619630), (131, 543950), (215, 331430), (230, 309815), (253, 281650), (262, 271975), (275, 259118), (430, 165715), (473, 150650), (506, 140825), (550, 129559), (575, 123926), (655, 108790), (946, 75325), (989, 72050), (1075, 66286), (1150, 61963), (1265, 56330), (1310, 54395), (1441, 49450), (1978, 36025), (2150, 33143), (2365, 30130), (2530, 28165), (2882, 24725), (3013, 23650), (3275, 21758), (4730, 15065), (4945, 14410), (5633, 12650), (6026, 11825), (6325, 11266), (6550, 10879), (7205, 9890)]