780936716

素因数分解:

$2^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:511

約数の個数: 72

約数和(自身を含む): 1621025280

約数和(自身を除く): 840088564

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 127, 137, 196, 229, 254, 274, 458, 508, 548, 889, 916, 959, 1603, 1778, 1918, 3206, 3556, 3836, 6223, 6412, 6713, 11221, 12446, 13426, 17399, 22442, 24892, 26852, 29083, 31373, 34798, 44884, 58166, 62746, 69596, 116332, 121793, 125492, 203581, 219611, 243586, 407162, 439222, 487172, 814324, 852551, 878444, 1425067, 1537277, 1705102, 2850134, 3074554, 3410204, 3984371, 5700268, 6149108, 7968742, 15937484, 27890597, 55781194, 111562388, 195234179, 390468358, 780936716]

約数ペア:

[(1, 780936716), (2, 390468358), (4, 195234179), (7, 111562388), (14, 55781194), (28, 27890597), (49, 15937484), (98, 7968742), (127, 6149108), (137, 5700268), (196, 3984371), (229, 3410204), (254, 3074554), (274, 2850134), (458, 1705102), (508, 1537277), (548, 1425067), (889, 878444), (916, 852551), (959, 814324), (1603, 487172), (1778, 439222), (1918, 407162), (3206, 243586), (3556, 219611), (3836, 203581), (6223, 125492), (6412, 121793), (6713, 116332), (11221, 69596), (12446, 62746), (13426, 58166), (17399, 44884), (22442, 34798), (24892, 31373), (26852, 29083)]