281394330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1339973}}^1$

素因数の和:1339990

約数の個数: 32

約数和(自身を含む): 771825024

約数和(自身を除く): 490430694

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1339973, 2679946, 4019919, 6699865, 8039838, 9379811, 13399730, 18759622, 20099595, 28139433, 40199190, 46899055, 56278866, 93798110, 140697165, 281394330]

約数ペア:

[(1, 281394330), (2, 140697165), (3, 93798110), (5, 56278866), (6, 46899055), (7, 40199190), (10, 28139433), (14, 20099595), (15, 18759622), (21, 13399730), (30, 9379811), (35, 8039838), (42, 6699865), (70, 4019919), (105, 2679946), (210, 1339973)]