1980426620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{919}}^1$

素因数の和:1107

約数の個数: 96

約数和(自身を含む): 4506969600

約数和(自身を除く): 2526542980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 107, 190, 212, 214, 265, 380, 428, 530, 535, 919, 1007, 1060, 1070, 1838, 2014, 2033, 2140, 3676, 4028, 4066, 4595, 5035, 5671, 8132, 9190, 10070, 10165, 11342, 17461, 18380, 20140, 20330, 22684, 28355, 34922, 40660, 48707, 56710, 69844, 87305, 97414, 98333, 107749, 113420, 174610, 194828, 196666, 215498, 243535, 349220, 393332, 430996, 487070, 491665, 538745, 925433, 974140, 983330, 1077490, 1850866, 1868327, 1966660, 2154980, 3701732, 3736654, 4627165, 5211649, 7473308, 9254330, 9341635, 10423298, 18508660, 18683270, 20846596, 26058245, 37366540, 52116490, 99021331, 104232980, 198042662, 396085324, 495106655, 990213310, 1980426620]

約数ペア:

[(1, 1980426620), (2, 990213310), (4, 495106655), (5, 396085324), (10, 198042662), (19, 104232980), (20, 99021331), (38, 52116490), (53, 37366540), (76, 26058245), (95, 20846596), (106, 18683270), (107, 18508660), (190, 10423298), (212, 9341635), (214, 9254330), (265, 7473308), (380, 5211649), (428, 4627165), (530, 3736654), (535, 3701732), (919, 2154980), (1007, 1966660), (1060, 1868327), (1070, 1850866), (1838, 1077490), (2014, 983330), (2033, 974140), (2140, 925433), (3676, 538745), (4028, 491665), (4066, 487070), (4595, 430996), (5035, 393332), (5671, 349220), (8132, 243535), (9190, 215498), (10070, 196666), (10165, 194828), (11342, 174610), (17461, 113420), (18380, 107749), (20140, 98333), (20330, 97414), (22684, 87305), (28355, 69844), (34922, 56710), (40660, 48707)]