242138890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{8101}}^1$

素因数の和:8183

約数の個数: 48

約数和(自身を含む): 515384424

約数和(自身を除く): 273245534

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 245, 305, 427, 490, 610, 854, 2135, 2989, 4270, 5978, 8101, 14945, 16202, 29890, 40505, 56707, 81010, 113414, 283535, 396949, 494161, 567070, 793898, 988322, 1984745, 2470805, 3459127, 3969490, 4941610, 6918254, 17295635, 24213889, 34591270, 48427778, 121069445, 242138890]

約数ペア:

[(1, 242138890), (2, 121069445), (5, 48427778), (7, 34591270), (10, 24213889), (14, 17295635), (35, 6918254), (49, 4941610), (61, 3969490), (70, 3459127), (98, 2470805), (122, 1984745), (245, 988322), (305, 793898), (427, 567070), (490, 494161), (610, 396949), (854, 283535), (2135, 113414), (2989, 81010), (4270, 56707), (5978, 40505), (8101, 29890), (14945, 16202)]