42449220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1949}}^1$

素因数の和:1986

約数の個数: 108

約数和(自身を含む): 141605100

約数和(自身を除く): 99155880

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1949, 1980, 2178, 2420, 3630, 3898, 4356, 5445, 5847, 7260, 7796, 9745, 10890, 11694, 17541, 19490, 21439, 21780, 23388, 29235, 35082, 38980, 42878, 58470, 64317, 70164, 85756, 87705, 107195, 116940, 128634, 175410, 192951, 214390, 235829, 257268, 321585, 350820, 385902, 428780, 471658, 643170, 707487, 771804, 943316, 964755, 1179145, 1286340, 1414974, 1929510, 2122461, 2358290, 2829948, 3537435, 3859020, 4244922, 4716580, 7074870, 8489844, 10612305, 14149740, 21224610, 42449220]

約数ペア:

[(1, 42449220), (2, 21224610), (3, 14149740), (4, 10612305), (5, 8489844), (6, 7074870), (9, 4716580), (10, 4244922), (11, 3859020), (12, 3537435), (15, 2829948), (18, 2358290), (20, 2122461), (22, 1929510), (30, 1414974), (33, 1286340), (36, 1179145), (44, 964755), (45, 943316), (55, 771804), (60, 707487), (66, 643170), (90, 471658), (99, 428780), (110, 385902), (121, 350820), (132, 321585), (165, 257268), (180, 235829), (198, 214390), (220, 192951), (242, 175410), (330, 128634), (363, 116940), (396, 107195), (484, 87705), (495, 85756), (605, 70164), (660, 64317), (726, 58470), (990, 42878), (1089, 38980), (1210, 35082), (1452, 29235), (1815, 23388), (1949, 21780), (1980, 21439), (2178, 19490), (2420, 17541), (3630, 11694), (3898, 10890), (4356, 9745), (5445, 7796), (5847, 7260)]