199136560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11471}}^1$

素因数の和:11522

約数の個数: 80

約数和(自身を含む): 546250752

約数和(自身を除く): 347114192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 11471, 17360, 22942, 45884, 57355, 80297, 91768, 114710, 160594, 183536, 229420, 321188, 355601, 401485, 458840, 642376, 711202, 802970, 917680, 1284752, 1422404, 1605940, 1778005, 2489207, 2844808, 3211880, 3556010, 4978414, 5689616, 6423760, 7112020, 9956828, 12446035, 14224040, 19913656, 24892070, 28448080, 39827312, 49784140, 99568280, 199136560]

約数ペア:

[(1, 199136560), (2, 99568280), (4, 49784140), (5, 39827312), (7, 28448080), (8, 24892070), (10, 19913656), (14, 14224040), (16, 12446035), (20, 9956828), (28, 7112020), (31, 6423760), (35, 5689616), (40, 4978414), (56, 3556010), (62, 3211880), (70, 2844808), (80, 2489207), (112, 1778005), (124, 1605940), (140, 1422404), (155, 1284752), (217, 917680), (248, 802970), (280, 711202), (310, 642376), (434, 458840), (496, 401485), (560, 355601), (620, 321188), (868, 229420), (1085, 183536), (1240, 160594), (1736, 114710), (2170, 91768), (2480, 80297), (3472, 57355), (4340, 45884), (8680, 22942), (11471, 17360)]