128299780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 327398400

約数和(自身を除く): 199098620

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 139, 140, 190, 266, 278, 347, 380, 532, 556, 665, 694, 695, 973, 1330, 1388, 1390, 1735, 1946, 2429, 2641, 2660, 2780, 3470, 3892, 4858, 4865, 5282, 6593, 6940, 9716, 9730, 10564, 12145, 13186, 13205, 18487, 19460, 24290, 26372, 26410, 32965, 36974, 46151, 48233, 48580, 52820, 65930, 73948, 92302, 92435, 96466, 131860, 184604, 184870, 192932, 230755, 241165, 337631, 369740, 461510, 482330, 675262, 916427, 923020, 964660, 1350524, 1688155, 1832854, 3376310, 3665708, 4582135, 6414989, 6752620, 9164270, 12829978, 18328540, 25659956, 32074945, 64149890, 128299780]

約数ペア:

[(1, 128299780), (2, 64149890), (4, 32074945), (5, 25659956), (7, 18328540), (10, 12829978), (14, 9164270), (19, 6752620), (20, 6414989), (28, 4582135), (35, 3665708), (38, 3376310), (70, 1832854), (76, 1688155), (95, 1350524), (133, 964660), (139, 923020), (140, 916427), (190, 675262), (266, 482330), (278, 461510), (347, 369740), (380, 337631), (532, 241165), (556, 230755), (665, 192932), (694, 184870), (695, 184604), (973, 131860), (1330, 96466), (1388, 92435), (1390, 92302), (1735, 73948), (1946, 65930), (2429, 52820), (2641, 48580), (2660, 48233), (2780, 46151), (3470, 36974), (3892, 32965), (4858, 26410), (4865, 26372), (5282, 24290), (6593, 19460), (6940, 18487), (9716, 13205), (9730, 13186), (10564, 12145)]