381990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:141

約数の個数: 64

約数和(自身を含む): 1119744

約数和(自身を除く): 737754

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 107, 119, 170, 210, 214, 238, 255, 321, 357, 510, 535, 595, 642, 714, 749, 1070, 1190, 1498, 1605, 1785, 1819, 2247, 3210, 3570, 3638, 3745, 4494, 5457, 7490, 9095, 10914, 11235, 12733, 18190, 22470, 25466, 27285, 38199, 54570, 63665, 76398, 127330, 190995, 381990]

約数ペア:

[(1, 381990), (2, 190995), (3, 127330), (5, 76398), (6, 63665), (7, 54570), (10, 38199), (14, 27285), (15, 25466), (17, 22470), (21, 18190), (30, 12733), (34, 11235), (35, 10914), (42, 9095), (51, 7490), (70, 5457), (85, 4494), (102, 3745), (105, 3638), (107, 3570), (119, 3210), (170, 2247), (210, 1819), (214, 1785), (238, 1605), (255, 1498), (321, 1190), (357, 1070), (510, 749), (535, 714), (595, 642)]