209260740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{268283}}^1$

素因数の和:268308

約数の個数: 48

約数和(自身を含む): 631003968

約数和(自身を除く): 421743228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 268283, 536566, 804849, 1073132, 1341415, 1609698, 2682830, 3219396, 3487679, 4024245, 5365660, 6975358, 8048490, 10463037, 13950716, 16096980, 17438395, 20926074, 34876790, 41852148, 52315185, 69753580, 104630370, 209260740]

約数ペア:

[(1, 209260740), (2, 104630370), (3, 69753580), (4, 52315185), (5, 41852148), (6, 34876790), (10, 20926074), (12, 17438395), (13, 16096980), (15, 13950716), (20, 10463037), (26, 8048490), (30, 6975358), (39, 5365660), (52, 4024245), (60, 3487679), (65, 3219396), (78, 2682830), (130, 1609698), (156, 1341415), (195, 1073132), (260, 804849), (390, 536566), (780, 268283)]