191131640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{971}}^1$

素因数の和:1045

約数の個数: 128

約数和(自身を含む): 531878400

約数和(自身を除く): 340746760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 37, 38, 40, 56, 70, 74, 76, 95, 133, 140, 148, 152, 185, 190, 259, 266, 280, 296, 370, 380, 518, 532, 665, 703, 740, 760, 971, 1036, 1064, 1295, 1330, 1406, 1480, 1942, 2072, 2590, 2660, 2812, 3515, 3884, 4855, 4921, 5180, 5320, 5624, 6797, 7030, 7768, 9710, 9842, 10360, 13594, 14060, 18449, 19420, 19684, 24605, 27188, 28120, 33985, 35927, 36898, 38840, 39368, 49210, 54376, 67970, 71854, 73796, 92245, 98420, 129143, 135940, 143708, 147592, 179635, 184490, 196840, 251489, 258286, 271880, 287416, 359270, 368980, 502978, 516572, 645715, 682613, 718540, 737960, 1005956, 1033144, 1257445, 1291430, 1365226, 1437080, 2011912, 2514890, 2582860, 2730452, 3413065, 4778291, 5029780, 5165720, 5460904, 6826130, 9556582, 10059560, 13652260, 19113164, 23891455, 27304520, 38226328, 47782910, 95565820, 191131640]

約数ペア:

[(1, 191131640), (2, 95565820), (4, 47782910), (5, 38226328), (7, 27304520), (8, 23891455), (10, 19113164), (14, 13652260), (19, 10059560), (20, 9556582), (28, 6826130), (35, 5460904), (37, 5165720), (38, 5029780), (40, 4778291), (56, 3413065), (70, 2730452), (74, 2582860), (76, 2514890), (95, 2011912), (133, 1437080), (140, 1365226), (148, 1291430), (152, 1257445), (185, 1033144), (190, 1005956), (259, 737960), (266, 718540), (280, 682613), (296, 645715), (370, 516572), (380, 502978), (518, 368980), (532, 359270), (665, 287416), (703, 271880), (740, 258286), (760, 251489), (971, 196840), (1036, 184490), (1064, 179635), (1295, 147592), (1330, 143708), (1406, 135940), (1480, 129143), (1942, 98420), (2072, 92245), (2590, 73796), (2660, 71854), (2812, 67970), (3515, 54376), (3884, 49210), (4855, 39368), (4921, 38840), (5180, 36898), (5320, 35927), (5624, 33985), (6797, 28120), (7030, 27188), (7768, 24605), (9710, 19684), (9842, 19420), (10360, 18449), (13594, 14060)]