191009840

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{6961}}^1$

素因数の和:6995

約数の個数: 80

約数和(自身を含む): 517972800

約数和(自身を除く): 326962960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5488, 6860, 6961, 13720, 13922, 27440, 27844, 34805, 48727, 55688, 69610, 97454, 111376, 139220, 194908, 243635, 278440, 341089, 389816, 487270, 556880, 682178, 779632, 974540, 1364356, 1705445, 1949080, 2387623, 2728712, 3410890, 3898160, 4775246, 5457424, 6821780, 9550492, 11938115, 13643560, 19100984, 23876230, 27287120, 38201968, 47752460, 95504920, 191009840]

約数ペア:

[(1, 191009840), (2, 95504920), (4, 47752460), (5, 38201968), (7, 27287120), (8, 23876230), (10, 19100984), (14, 13643560), (16, 11938115), (20, 9550492), (28, 6821780), (35, 5457424), (40, 4775246), (49, 3898160), (56, 3410890), (70, 2728712), (80, 2387623), (98, 1949080), (112, 1705445), (140, 1364356), (196, 974540), (245, 779632), (280, 682178), (343, 556880), (392, 487270), (490, 389816), (560, 341089), (686, 278440), (784, 243635), (980, 194908), (1372, 139220), (1715, 111376), (1960, 97454), (2744, 69610), (3430, 55688), (3920, 48727), (5488, 34805), (6860, 27844), (6961, 27440), (13720, 13922)]