7787780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:429

約数の個数: 96

約数和(自身を含む): 22014720

約数和(自身を除く): 14226940

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 389, 455, 572, 715, 770, 778, 910, 1001, 1430, 1540, 1556, 1820, 1945, 2002, 2723, 2860, 3890, 4004, 4279, 5005, 5057, 5446, 7780, 8558, 10010, 10114, 10892, 13615, 17116, 20020, 20228, 21395, 25285, 27230, 29953, 35399, 42790, 50570, 54460, 55627, 59906, 70798, 85580, 101140, 111254, 119812, 141596, 149765, 176995, 222508, 278135, 299530, 353990, 389389, 556270, 599060, 707980, 778778, 1112540, 1557556, 1946945, 3893890, 7787780]

約数ペア:

[(1, 7787780), (2, 3893890), (4, 1946945), (5, 1557556), (7, 1112540), (10, 778778), (11, 707980), (13, 599060), (14, 556270), (20, 389389), (22, 353990), (26, 299530), (28, 278135), (35, 222508), (44, 176995), (52, 149765), (55, 141596), (65, 119812), (70, 111254), (77, 101140), (91, 85580), (110, 70798), (130, 59906), (140, 55627), (143, 54460), (154, 50570), (182, 42790), (220, 35399), (260, 29953), (286, 27230), (308, 25285), (364, 21395), (385, 20228), (389, 20020), (455, 17116), (572, 13615), (715, 10892), (770, 10114), (778, 10010), (910, 8558), (1001, 7780), (1430, 5446), (1540, 5057), (1556, 5005), (1820, 4279), (1945, 4004), (2002, 3890), (2723, 2860)]