158387890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 302601600

約数和(自身を除く): 144213710

約数列:

[1, 2, 5, 10, 23, 46, 79, 115, 158, 230, 379, 395, 529, 758, 790, 1058, 1817, 1895, 2645, 3634, 3790, 5290, 8717, 9085, 17434, 18170, 29941, 41791, 43585, 59882, 83582, 87170, 149705, 200491, 208955, 299410, 400982, 417910, 688643, 1002455, 1377286, 2004910, 3443215, 6886430, 15838789, 31677578, 79193945, 158387890]

約数ペア:

[(1, 158387890), (2, 79193945), (5, 31677578), (10, 15838789), (23, 6886430), (46, 3443215), (79, 2004910), (115, 1377286), (158, 1002455), (230, 688643), (379, 417910), (395, 400982), (529, 299410), (758, 208955), (790, 200491), (1058, 149705), (1817, 87170), (1895, 83582), (2645, 59882), (3634, 43585), (3790, 41791), (5290, 29941), (8717, 18170), (9085, 17434)]