200557940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{10243}}^1$

素因数の和:10352

約数の個数: 48

約数和(自身を含む): 464667840

約数和(自身を除く): 264109900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3916, 4895, 9790, 10243, 19580, 20486, 40972, 51215, 102430, 112673, 204860, 225346, 450692, 563365, 911627, 1126730, 1823254, 2253460, 3646508, 4558135, 9116270, 10027897, 18232540, 20055794, 40111588, 50139485, 100278970, 200557940]

約数ペア:

[(1, 200557940), (2, 100278970), (4, 50139485), (5, 40111588), (10, 20055794), (11, 18232540), (20, 10027897), (22, 9116270), (44, 4558135), (55, 3646508), (89, 2253460), (110, 1823254), (178, 1126730), (220, 911627), (356, 563365), (445, 450692), (890, 225346), (979, 204860), (1780, 112673), (1958, 102430), (3916, 51215), (4895, 40972), (9790, 20486), (10243, 19580)]