29967940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4639}}^1$

素因数の和:4684

約数の個数: 48

約数和(自身を含む): 70156800

約数和(自身を除く): 40188860

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 4639, 6460, 9278, 18556, 23195, 46390, 78863, 88141, 92780, 157726, 176282, 315452, 352564, 394315, 440705, 788630, 881410, 1498397, 1577260, 1762820, 2996794, 5993588, 7491985, 14983970, 29967940]

約数ペア:

[(1, 29967940), (2, 14983970), (4, 7491985), (5, 5993588), (10, 2996794), (17, 1762820), (19, 1577260), (20, 1498397), (34, 881410), (38, 788630), (68, 440705), (76, 394315), (85, 352564), (95, 315452), (170, 176282), (190, 157726), (323, 92780), (340, 88141), (380, 78863), (646, 46390), (1292, 23195), (1615, 18556), (3230, 9278), (4639, 6460)]