401045680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{5639}}^1$

素因数の和:5786

約数の個数: 80

約数和(自身を含む): 1074216960

約数和(自身を除く): 673171280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1270, 1778, 2032, 2540, 3556, 4445, 5080, 5639, 7112, 8890, 10160, 11278, 14224, 17780, 22556, 28195, 35560, 39473, 45112, 56390, 71120, 78946, 90224, 112780, 157892, 197365, 225560, 315784, 394730, 451120, 631568, 716153, 789460, 1432306, 1578920, 2864612, 3157840, 3580765, 5013071, 5729224, 7161530, 10026142, 11458448, 14323060, 20052284, 25065355, 28646120, 40104568, 50130710, 57292240, 80209136, 100261420, 200522840, 401045680]

約数ペア:

[(1, 401045680), (2, 200522840), (4, 100261420), (5, 80209136), (7, 57292240), (8, 50130710), (10, 40104568), (14, 28646120), (16, 25065355), (20, 20052284), (28, 14323060), (35, 11458448), (40, 10026142), (56, 7161530), (70, 5729224), (80, 5013071), (112, 3580765), (127, 3157840), (140, 2864612), (254, 1578920), (280, 1432306), (508, 789460), (560, 716153), (635, 631568), (889, 451120), (1016, 394730), (1270, 315784), (1778, 225560), (2032, 197365), (2540, 157892), (3556, 112780), (4445, 90224), (5080, 78946), (5639, 71120), (7112, 56390), (8890, 45112), (10160, 39473), (11278, 35560), (14224, 28195), (17780, 22556)]