198643060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18427}}^1$

素因数の和:18461

約数の個数: 72

約数和(自身を含む): 529399584

約数和(自身を除く): 330756524

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 18427, 36854, 73708, 92135, 128989, 184270, 202697, 257978, 368540, 405394, 515956, 644945, 810788, 902923, 1013485, 1289890, 1418879, 1805846, 2026970, 2579780, 2837758, 3611692, 4053940, 4514615, 5675516, 7094395, 9029230, 9932153, 14188790, 18058460, 19864306, 28377580, 39728612, 49660765, 99321530, 198643060]

約数ペア:

[(1, 198643060), (2, 99321530), (4, 49660765), (5, 39728612), (7, 28377580), (10, 19864306), (11, 18058460), (14, 14188790), (20, 9932153), (22, 9029230), (28, 7094395), (35, 5675516), (44, 4514615), (49, 4053940), (55, 3611692), (70, 2837758), (77, 2579780), (98, 2026970), (110, 1805846), (140, 1418879), (154, 1289890), (196, 1013485), (220, 902923), (245, 810788), (308, 644945), (385, 515956), (490, 405394), (539, 368540), (770, 257978), (980, 202697), (1078, 184270), (1540, 128989), (2156, 92135), (2695, 73708), (5390, 36854), (10780, 18427)]