243968790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{1229}}^1$

素因数の和:1761

約数の個数: 64

約数和(自身を含む): 632318400

約数和(自身を除く): 388349610

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 509, 1018, 1229, 1527, 2458, 2545, 3054, 3687, 5090, 6145, 6617, 7374, 7635, 12290, 13234, 15270, 15977, 18435, 19851, 31954, 33085, 36870, 39702, 47931, 66170, 79885, 95862, 99255, 159770, 198510, 239655, 479310, 625561, 1251122, 1876683, 3127805, 3753366, 6255610, 8132293, 9383415, 16264586, 18766830, 24396879, 40661465, 48793758, 81322930, 121984395, 243968790]

約数ペア:

[(1, 243968790), (2, 121984395), (3, 81322930), (5, 48793758), (6, 40661465), (10, 24396879), (13, 18766830), (15, 16264586), (26, 9383415), (30, 8132293), (39, 6255610), (65, 3753366), (78, 3127805), (130, 1876683), (195, 1251122), (390, 625561), (509, 479310), (1018, 239655), (1229, 198510), (1527, 159770), (2458, 99255), (2545, 95862), (3054, 79885), (3687, 66170), (5090, 47931), (6145, 39702), (6617, 36870), (7374, 33085), (7635, 31954), (12290, 19851), (13234, 18435), (15270, 15977)]