1379873480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{911}}^1\times {\mathrm{1993}}^1$

素因数の和:2934

約数の個数: 64

約数和(自身を含む): 3273350400

約数和(自身を除く): 1893476920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 911, 1822, 1993, 3644, 3986, 4555, 7288, 7972, 9110, 9965, 15944, 17309, 18220, 19930, 34618, 36440, 37867, 39860, 69236, 75734, 79720, 86545, 138472, 151468, 173090, 189335, 302936, 346180, 378670, 692360, 757340, 1514680, 1815623, 3631246, 7262492, 9078115, 14524984, 18156230, 34496837, 36312460, 68993674, 72624920, 137987348, 172484185, 275974696, 344968370, 689936740, 1379873480]

約数ペア:

[(1, 1379873480), (2, 689936740), (4, 344968370), (5, 275974696), (8, 172484185), (10, 137987348), (19, 72624920), (20, 68993674), (38, 36312460), (40, 34496837), (76, 18156230), (95, 14524984), (152, 9078115), (190, 7262492), (380, 3631246), (760, 1815623), (911, 1514680), (1822, 757340), (1993, 692360), (3644, 378670), (3986, 346180), (4555, 302936), (7288, 189335), (7972, 173090), (9110, 151468), (9965, 138472), (15944, 86545), (17309, 79720), (18220, 75734), (19930, 69236), (34618, 39860), (36440, 37867)]