1887990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 5031936

約数和(自身を除く): 3143946

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 47, 65, 78, 94, 103, 130, 141, 195, 206, 235, 282, 309, 390, 470, 515, 611, 618, 705, 1030, 1222, 1339, 1410, 1545, 1833, 2678, 3055, 3090, 3666, 4017, 4841, 6110, 6695, 8034, 9165, 9682, 13390, 14523, 18330, 20085, 24205, 29046, 40170, 48410, 62933, 72615, 125866, 145230, 188799, 314665, 377598, 629330, 943995, 1887990]

約数ペア:

[(1, 1887990), (2, 943995), (3, 629330), (5, 377598), (6, 314665), (10, 188799), (13, 145230), (15, 125866), (26, 72615), (30, 62933), (39, 48410), (47, 40170), (65, 29046), (78, 24205), (94, 20085), (103, 18330), (130, 14523), (141, 13390), (195, 9682), (206, 9165), (235, 8034), (282, 6695), (309, 6110), (390, 4841), (470, 4017), (515, 3666), (611, 3090), (618, 3055), (705, 2678), (1030, 1833), (1222, 1545), (1339, 1410)]