200917980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{10837}}^1$

素因数の和:10955

約数の個数: 72

約数和(自身を含む): 615424992

約数和(自身を除く): 414507012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1545, 1854, 2060, 3090, 3708, 4635, 6180, 9270, 10837, 18540, 21674, 32511, 43348, 54185, 65022, 97533, 108370, 130044, 162555, 195066, 216740, 325110, 390132, 487665, 650220, 975330, 1116211, 1950660, 2232422, 3348633, 4464844, 5581055, 6697266, 10045899, 11162110, 13394532, 16743165, 20091798, 22324220, 33486330, 40183596, 50229495, 66972660, 100458990, 200917980]

約数ペア:

[(1, 200917980), (2, 100458990), (3, 66972660), (4, 50229495), (5, 40183596), (6, 33486330), (9, 22324220), (10, 20091798), (12, 16743165), (15, 13394532), (18, 11162110), (20, 10045899), (30, 6697266), (36, 5581055), (45, 4464844), (60, 3348633), (90, 2232422), (103, 1950660), (180, 1116211), (206, 975330), (309, 650220), (412, 487665), (515, 390132), (618, 325110), (927, 216740), (1030, 195066), (1236, 162555), (1545, 130044), (1854, 108370), (2060, 97533), (3090, 65022), (3708, 54185), (4635, 43348), (6180, 32511), (9270, 21674), (10837, 18540)]