2792420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 6386688

約数和(自身を除く): 3594268

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 191, 215, 340, 382, 430, 731, 764, 860, 955, 1462, 1910, 2924, 3247, 3655, 3820, 6494, 7310, 8213, 12988, 14620, 16235, 16426, 32470, 32852, 41065, 64940, 82130, 139621, 164260, 279242, 558484, 698105, 1396210, 2792420]

約数ペア:

[(1, 2792420), (2, 1396210), (4, 698105), (5, 558484), (10, 279242), (17, 164260), (20, 139621), (34, 82130), (43, 64940), (68, 41065), (85, 32852), (86, 32470), (170, 16426), (172, 16235), (191, 14620), (215, 12988), (340, 8213), (382, 7310), (430, 6494), (731, 3820), (764, 3655), (860, 3247), (955, 2924), (1462, 1910)]