780230480

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{42589}}^1$

素因数の和:42831

約数の個数: 40

約数和(自身を含む): 1822000200

約数和(自身を除く): 1041769720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3664, 4580, 9160, 18320, 42589, 85178, 170356, 212945, 340712, 425890, 681424, 851780, 1703560, 3407120, 9752881, 19505762, 39011524, 48764405, 78023048, 97528810, 156046096, 195057620, 390115240, 780230480]

約数ペア:

[(1, 780230480), (2, 390115240), (4, 195057620), (5, 156046096), (8, 97528810), (10, 78023048), (16, 48764405), (20, 39011524), (40, 19505762), (80, 9752881), (229, 3407120), (458, 1703560), (916, 851780), (1145, 681424), (1832, 425890), (2290, 340712), (3664, 212945), (4580, 170356), (9160, 85178), (18320, 42589)]