638863060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:394

約数の個数: 144

約数和(自身を含む): 1596300048

約数和(自身を除く): 957436988

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 53, 55, 68, 85, 106, 110, 121, 170, 187, 212, 220, 242, 265, 293, 340, 374, 484, 530, 583, 586, 605, 748, 901, 935, 1060, 1166, 1172, 1210, 1465, 1802, 1870, 2057, 2332, 2420, 2915, 2930, 3223, 3604, 3740, 4114, 4505, 4981, 5830, 5860, 6413, 6446, 8228, 9010, 9911, 9962, 10285, 11660, 12826, 12892, 15529, 16115, 18020, 19822, 19924, 20570, 24905, 25652, 31058, 32065, 32230, 35453, 39644, 41140, 49555, 49810, 54791, 62116, 64130, 64460, 70906, 77645, 99110, 99620, 109021, 109582, 128260, 141812, 155290, 170819, 177265, 198220, 218042, 219164, 263993, 273955, 310580, 341638, 354530, 436084, 527986, 545105, 547910, 602701, 683276, 709060, 854095, 1055972, 1090210, 1095820, 1205402, 1319965, 1708190, 1879009, 2180420, 2410804, 2639930, 2903923, 3013505, 3416380, 3758018, 5279860, 5807846, 6027010, 7516036, 9395045, 11615692, 12054020, 14519615, 18790090, 29039230, 31943153, 37580180, 58078460, 63886306, 127772612, 159715765, 319431530, 638863060]

約数ペア:

[(1, 638863060), (2, 319431530), (4, 159715765), (5, 127772612), (10, 63886306), (11, 58078460), (17, 37580180), (20, 31943153), (22, 29039230), (34, 18790090), (44, 14519615), (53, 12054020), (55, 11615692), (68, 9395045), (85, 7516036), (106, 6027010), (110, 5807846), (121, 5279860), (170, 3758018), (187, 3416380), (212, 3013505), (220, 2903923), (242, 2639930), (265, 2410804), (293, 2180420), (340, 1879009), (374, 1708190), (484, 1319965), (530, 1205402), (583, 1095820), (586, 1090210), (605, 1055972), (748, 854095), (901, 709060), (935, 683276), (1060, 602701), (1166, 547910), (1172, 545105), (1210, 527986), (1465, 436084), (1802, 354530), (1870, 341638), (2057, 310580), (2332, 273955), (2420, 263993), (2915, 219164), (2930, 218042), (3223, 198220), (3604, 177265), (3740, 170819), (4114, 155290), (4505, 141812), (4981, 128260), (5830, 109582), (5860, 109021), (6413, 99620), (6446, 99110), (8228, 77645), (9010, 70906), (9911, 64460), (9962, 64130), (10285, 62116), (11660, 54791), (12826, 49810), (12892, 49555), (15529, 41140), (16115, 39644), (18020, 35453), (19822, 32230), (19924, 32065), (20570, 31058), (24905, 25652)]