398879404

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^4\times {\mathrm{139}}^1$

素因数の和:201

約数の個数: 90

約数和(自身を含む): 899625300

約数和(自身を除く): 500745896

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 139, 154, 196, 242, 278, 308, 484, 539, 556, 847, 973, 1078, 1331, 1529, 1694, 1946, 2156, 2662, 3058, 3388, 3892, 5324, 5929, 6116, 6811, 9317, 10703, 11858, 13622, 14641, 16819, 18634, 21406, 23716, 27244, 29282, 33638, 37268, 42812, 58564, 65219, 67276, 74921, 102487, 117733, 130438, 149842, 185009, 204974, 235466, 260876, 299684, 370018, 409948, 470932, 717409, 740036, 824131, 1295063, 1434818, 1648262, 2035099, 2590126, 2869636, 3296524, 4070198, 5180252, 8140396, 9065441, 14245693, 18130882, 28491386, 36261764, 56982772, 99719851, 199439702, 398879404]

約数ペア:

[(1, 398879404), (2, 199439702), (4, 99719851), (7, 56982772), (11, 36261764), (14, 28491386), (22, 18130882), (28, 14245693), (44, 9065441), (49, 8140396), (77, 5180252), (98, 4070198), (121, 3296524), (139, 2869636), (154, 2590126), (196, 2035099), (242, 1648262), (278, 1434818), (308, 1295063), (484, 824131), (539, 740036), (556, 717409), (847, 470932), (973, 409948), (1078, 370018), (1331, 299684), (1529, 260876), (1694, 235466), (1946, 204974), (2156, 185009), (2662, 149842), (3058, 130438), (3388, 117733), (3892, 102487), (5324, 74921), (5929, 67276), (6116, 65219), (6811, 58564), (9317, 42812), (10703, 37268), (11858, 33638), (13622, 29282), (14641, 27244), (16819, 23716), (18634, 21406)]