392490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{89}}^1$

素因数の和:116

約数の個数: 72

約数和(自身を含む): 1200420

約数和(自身を除く): 807930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 89, 90, 98, 105, 126, 147, 178, 210, 245, 267, 294, 315, 441, 445, 490, 534, 623, 630, 735, 801, 882, 890, 1246, 1335, 1470, 1602, 1869, 2205, 2670, 3115, 3738, 4005, 4361, 4410, 5607, 6230, 8010, 8722, 9345, 11214, 13083, 18690, 21805, 26166, 28035, 39249, 43610, 56070, 65415, 78498, 130830, 196245, 392490]

約数ペア:

[(1, 392490), (2, 196245), (3, 130830), (5, 78498), (6, 65415), (7, 56070), (9, 43610), (10, 39249), (14, 28035), (15, 26166), (18, 21805), (21, 18690), (30, 13083), (35, 11214), (42, 9345), (45, 8722), (49, 8010), (63, 6230), (70, 5607), (89, 4410), (90, 4361), (98, 4005), (105, 3738), (126, 3115), (147, 2670), (178, 2205), (210, 1869), (245, 1602), (267, 1470), (294, 1335), (315, 1246), (441, 890), (445, 882), (490, 801), (534, 735), (623, 630)]