397290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:87

約数の個数: 64

約数和(自身を含む): 1088640

約数和(自身を除く): 691350

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 30, 34, 38, 41, 51, 57, 82, 85, 95, 102, 114, 123, 170, 190, 205, 246, 255, 285, 323, 410, 510, 570, 615, 646, 697, 779, 969, 1230, 1394, 1558, 1615, 1938, 2091, 2337, 3230, 3485, 3895, 4182, 4674, 4845, 6970, 7790, 9690, 10455, 11685, 13243, 20910, 23370, 26486, 39729, 66215, 79458, 132430, 198645, 397290]

約数ペア:

[(1, 397290), (2, 198645), (3, 132430), (5, 79458), (6, 66215), (10, 39729), (15, 26486), (17, 23370), (19, 20910), (30, 13243), (34, 11685), (38, 10455), (41, 9690), (51, 7790), (57, 6970), (82, 4845), (85, 4674), (95, 4182), (102, 3895), (114, 3485), (123, 3230), (170, 2337), (190, 2091), (205, 1938), (246, 1615), (255, 1558), (285, 1394), (323, 1230), (410, 969), (510, 779), (570, 697), (615, 646)]