245801368

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{439}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 513216000

約数和(自身を除く): 267414632

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 179, 184, 358, 391, 439, 716, 782, 878, 1432, 1564, 1756, 3043, 3128, 3512, 4117, 6086, 7463, 8234, 10097, 12172, 14926, 16468, 20194, 24344, 29852, 32936, 40388, 59704, 69989, 78581, 80776, 139978, 157162, 171649, 279956, 314324, 343298, 559912, 628648, 686596, 1335877, 1373192, 1807363, 2671754, 3614726, 5343508, 7229452, 10687016, 14458904, 30725171, 61450342, 122900684, 245801368]

約数ペア:

[(1, 245801368), (2, 122900684), (4, 61450342), (8, 30725171), (17, 14458904), (23, 10687016), (34, 7229452), (46, 5343508), (68, 3614726), (92, 2671754), (136, 1807363), (179, 1373192), (184, 1335877), (358, 686596), (391, 628648), (439, 559912), (716, 343298), (782, 314324), (878, 279956), (1432, 171649), (1564, 157162), (1756, 139978), (3043, 80776), (3128, 78581), (3512, 69989), (4117, 59704), (6086, 40388), (7463, 32936), (8234, 29852), (10097, 24344), (12172, 20194), (14926, 16468)]