198996980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2063}}^1$

素因数の和:2145

約数の個数: 96

約数和(自身を含む): 524289024

約数和(自身を除く): 325292044

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 53, 65, 70, 91, 106, 130, 140, 182, 212, 260, 265, 364, 371, 455, 530, 689, 742, 910, 1060, 1378, 1484, 1820, 1855, 2063, 2756, 3445, 3710, 4126, 4823, 6890, 7420, 8252, 9646, 10315, 13780, 14441, 19292, 20630, 24115, 26819, 28882, 41260, 48230, 53638, 57764, 72205, 96460, 107276, 109339, 134095, 144410, 187733, 218678, 268190, 288820, 375466, 437356, 536380, 546695, 750932, 765373, 938665, 1093390, 1421407, 1530746, 1877330, 2186780, 2842814, 3061492, 3754660, 3826865, 5685628, 7107035, 7653730, 9949849, 14214070, 15307460, 19899698, 28428140, 39799396, 49749245, 99498490, 198996980]

約数ペア:

[(1, 198996980), (2, 99498490), (4, 49749245), (5, 39799396), (7, 28428140), (10, 19899698), (13, 15307460), (14, 14214070), (20, 9949849), (26, 7653730), (28, 7107035), (35, 5685628), (52, 3826865), (53, 3754660), (65, 3061492), (70, 2842814), (91, 2186780), (106, 1877330), (130, 1530746), (140, 1421407), (182, 1093390), (212, 938665), (260, 765373), (265, 750932), (364, 546695), (371, 536380), (455, 437356), (530, 375466), (689, 288820), (742, 268190), (910, 218678), (1060, 187733), (1378, 144410), (1484, 134095), (1820, 109339), (1855, 107276), (2063, 96460), (2756, 72205), (3445, 57764), (3710, 53638), (4126, 48230), (4823, 41260), (6890, 28882), (7420, 26819), (8252, 24115), (9646, 20630), (10315, 19292), (13780, 14441)]