140804980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{1063}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 305665920

約数和(自身を除く): 164860940

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 179, 185, 358, 370, 716, 740, 895, 1063, 1790, 2126, 3580, 4252, 5315, 6623, 10630, 13246, 21260, 26492, 33115, 39331, 66230, 78662, 132460, 157324, 190277, 196655, 380554, 393310, 761108, 786620, 951385, 1902770, 3805540, 7040249, 14080498, 28160996, 35201245, 70402490, 140804980]

約数ペア:

[(1, 140804980), (2, 70402490), (4, 35201245), (5, 28160996), (10, 14080498), (20, 7040249), (37, 3805540), (74, 1902770), (148, 951385), (179, 786620), (185, 761108), (358, 393310), (370, 380554), (716, 196655), (740, 190277), (895, 157324), (1063, 132460), (1790, 78662), (2126, 66230), (3580, 39331), (4252, 33115), (5315, 26492), (6623, 21260), (10630, 13246)]