311939130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{5233}}^1$

素因数の和:7230

約数の個数: 32

約数和(自身を含む): 749173824

約数和(自身を除く): 437234694

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 1987, 3974, 5233, 5961, 9935, 10466, 11922, 15699, 19870, 26165, 29805, 31398, 52330, 59610, 78495, 156990, 10397971, 20795942, 31193913, 51989855, 62387826, 103979710, 155969565, 311939130]

約数ペア:

[(1, 311939130), (2, 155969565), (3, 103979710), (5, 62387826), (6, 51989855), (10, 31193913), (15, 20795942), (30, 10397971), (1987, 156990), (3974, 78495), (5233, 59610), (5961, 52330), (9935, 31398), (10466, 29805), (11922, 26165), (15699, 19870)]