1777040

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:339

約数の個数: 40

約数和(自身を含む): 4192440

約数和(自身を除く): 2415400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 229, 388, 458, 485, 776, 916, 970, 1145, 1552, 1832, 1940, 2290, 3664, 3880, 4580, 7760, 9160, 18320, 22213, 44426, 88852, 111065, 177704, 222130, 355408, 444260, 888520, 1777040]

約数ペア:

[(1, 1777040), (2, 888520), (4, 444260), (5, 355408), (8, 222130), (10, 177704), (16, 111065), (20, 88852), (40, 44426), (80, 22213), (97, 18320), (194, 9160), (229, 7760), (388, 4580), (458, 3880), (485, 3664), (776, 2290), (916, 1940), (970, 1832), (1145, 1552)]