193776040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{71}}^2$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 456948810

約数和(自身を除く): 263172770

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 310, 355, 568, 620, 710, 961, 1240, 1420, 1922, 2201, 2840, 3844, 4402, 4805, 5041, 7688, 8804, 9610, 10082, 11005, 17608, 19220, 20164, 22010, 25205, 38440, 40328, 44020, 50410, 68231, 88040, 100820, 136462, 156271, 201640, 272924, 312542, 341155, 545848, 625084, 682310, 781355, 1250168, 1364620, 1562710, 2729240, 3125420, 4844401, 6250840, 9688802, 19377604, 24222005, 38755208, 48444010, 96888020, 193776040]

約数ペア:

[(1, 193776040), (2, 96888020), (4, 48444010), (5, 38755208), (8, 24222005), (10, 19377604), (20, 9688802), (31, 6250840), (40, 4844401), (62, 3125420), (71, 2729240), (124, 1562710), (142, 1364620), (155, 1250168), (248, 781355), (284, 682310), (310, 625084), (355, 545848), (568, 341155), (620, 312542), (710, 272924), (961, 201640), (1240, 156271), (1420, 136462), (1922, 100820), (2201, 88040), (2840, 68231), (3844, 50410), (4402, 44020), (4805, 40328), (5041, 38440), (7688, 25205), (8804, 22010), (9610, 20164), (10082, 19220), (11005, 17608)]