31779020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1$

素因数の和:967

約数の個数: 96

約数和(自身を含む): 86553600

約数和(自身を除く): 54774580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 919, 988, 1235, 1330, 1729, 1820, 1838, 2470, 2660, 3458, 3676, 4595, 4940, 6433, 6916, 8645, 9190, 11947, 12866, 17290, 17461, 18380, 23894, 25732, 32165, 34580, 34922, 47788, 59735, 64330, 69844, 83629, 87305, 119470, 122227, 128660, 167258, 174610, 226993, 238940, 244454, 334516, 349220, 418145, 453986, 488908, 611135, 836290, 907972, 1134965, 1222270, 1588951, 1672580, 2269930, 2444540, 3177902, 4539860, 6355804, 7944755, 15889510, 31779020]

約数ペア:

[(1, 31779020), (2, 15889510), (4, 7944755), (5, 6355804), (7, 4539860), (10, 3177902), (13, 2444540), (14, 2269930), (19, 1672580), (20, 1588951), (26, 1222270), (28, 1134965), (35, 907972), (38, 836290), (52, 611135), (65, 488908), (70, 453986), (76, 418145), (91, 349220), (95, 334516), (130, 244454), (133, 238940), (140, 226993), (182, 174610), (190, 167258), (247, 128660), (260, 122227), (266, 119470), (364, 87305), (380, 83629), (455, 69844), (494, 64330), (532, 59735), (665, 47788), (910, 34922), (919, 34580), (988, 32165), (1235, 25732), (1330, 23894), (1729, 18380), (1820, 17461), (1838, 17290), (2470, 12866), (2660, 11947), (3458, 9190), (3676, 8645), (4595, 6916), (4940, 6433)]