197105940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:239

約数の個数: 192

約数和(自身を含む): 640120320

約数和(自身を除く): 443014380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 71, 90, 97, 106, 108, 135, 142, 159, 180, 194, 212, 213, 265, 270, 284, 291, 318, 355, 388, 426, 477, 485, 530, 540, 582, 636, 639, 710, 795, 852, 873, 954, 970, 1060, 1065, 1164, 1278, 1420, 1431, 1455, 1590, 1746, 1908, 1917, 1940, 2130, 2385, 2556, 2619, 2862, 2910, 3180, 3195, 3492, 3763, 3834, 4260, 4365, 4770, 5141, 5238, 5724, 5820, 6390, 6887, 7155, 7526, 7668, 8730, 9540, 9585, 10282, 10476, 11289, 12780, 13095, 13774, 14310, 15052, 15423, 17460, 18815, 19170, 20564, 20661, 22578, 25705, 26190, 27548, 28620, 30846, 33867, 34435, 37630, 38340, 41322, 45156, 46269, 51410, 52380, 56445, 61692, 61983, 67734, 68870, 75260, 77115, 82644, 92538, 101601, 102820, 103305, 112890, 123966, 135468, 137740, 138807, 154230, 169335, 185076, 185949, 203202, 206610, 225780, 231345, 247932, 277614, 308460, 309915, 338670, 365011, 371898, 406404, 413220, 462690, 508005, 555228, 619830, 677340, 694035, 730022, 743796, 925380, 929745, 1016010, 1095033, 1239660, 1388070, 1460044, 1825055, 1859490, 2032020, 2190066, 2776140, 3285099, 3650110, 3718980, 4380132, 5475165, 6570198, 7300220, 9855297, 10950330, 13140396, 16425495, 19710594, 21900660, 32850990, 39421188, 49276485, 65701980, 98552970, 197105940]

約数ペア:

[(1, 197105940), (2, 98552970), (3, 65701980), (4, 49276485), (5, 39421188), (6, 32850990), (9, 21900660), (10, 19710594), (12, 16425495), (15, 13140396), (18, 10950330), (20, 9855297), (27, 7300220), (30, 6570198), (36, 5475165), (45, 4380132), (53, 3718980), (54, 3650110), (60, 3285099), (71, 2776140), (90, 2190066), (97, 2032020), (106, 1859490), (108, 1825055), (135, 1460044), (142, 1388070), (159, 1239660), (180, 1095033), (194, 1016010), (212, 929745), (213, 925380), (265, 743796), (270, 730022), (284, 694035), (291, 677340), (318, 619830), (355, 555228), (388, 508005), (426, 462690), (477, 413220), (485, 406404), (530, 371898), (540, 365011), (582, 338670), (636, 309915), (639, 308460), (710, 277614), (795, 247932), (852, 231345), (873, 225780), (954, 206610), (970, 203202), (1060, 185949), (1065, 185076), (1164, 169335), (1278, 154230), (1420, 138807), (1431, 137740), (1455, 135468), (1590, 123966), (1746, 112890), (1908, 103305), (1917, 102820), (1940, 101601), (2130, 92538), (2385, 82644), (2556, 77115), (2619, 75260), (2862, 68870), (2910, 67734), (3180, 61983), (3195, 61692), (3492, 56445), (3763, 52380), (3834, 51410), (4260, 46269), (4365, 45156), (4770, 41322), (5141, 38340), (5238, 37630), (5724, 34435), (5820, 33867), (6390, 30846), (6887, 28620), (7155, 27548), (7526, 26190), (7668, 25705), (8730, 22578), (9540, 20661), (9585, 20564), (10282, 19170), (10476, 18815), (11289, 17460), (12780, 15423), (13095, 15052), (13774, 14310)]