196816880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1951}}^1$

素因数の和:2074

約数の個数: 80

約数和(自身を含む): 498134784

約数和(自身を除く): 301317904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 97, 104, 130, 194, 208, 260, 388, 485, 520, 776, 970, 1040, 1261, 1552, 1940, 1951, 2522, 3880, 3902, 5044, 6305, 7760, 7804, 9755, 10088, 12610, 15608, 19510, 20176, 25220, 25363, 31216, 39020, 50440, 50726, 78040, 100880, 101452, 126815, 156080, 189247, 202904, 253630, 378494, 405808, 507260, 756988, 946235, 1014520, 1513976, 1892470, 2029040, 2460211, 3027952, 3784940, 4920422, 7569880, 9840844, 12301055, 15139760, 19681688, 24602110, 39363376, 49204220, 98408440, 196816880]

約数ペア:

[(1, 196816880), (2, 98408440), (4, 49204220), (5, 39363376), (8, 24602110), (10, 19681688), (13, 15139760), (16, 12301055), (20, 9840844), (26, 7569880), (40, 4920422), (52, 3784940), (65, 3027952), (80, 2460211), (97, 2029040), (104, 1892470), (130, 1513976), (194, 1014520), (208, 946235), (260, 756988), (388, 507260), (485, 405808), (520, 378494), (776, 253630), (970, 202904), (1040, 189247), (1261, 156080), (1552, 126815), (1940, 101452), (1951, 100880), (2522, 78040), (3880, 50726), (3902, 50440), (5044, 39020), (6305, 31216), (7760, 25363), (7804, 25220), (9755, 20176), (10088, 19510), (12610, 15608)]