400135736

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1723}}^1$

素因数の和:1789

約数の個数: 128

約数和(自身を含む): 1042675200

約数和(自身を除く): 642539464

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 29, 44, 52, 56, 58, 77, 88, 91, 104, 116, 143, 154, 182, 203, 232, 286, 308, 319, 364, 377, 406, 572, 616, 638, 728, 754, 812, 1001, 1144, 1276, 1508, 1624, 1723, 2002, 2233, 2552, 2639, 3016, 3446, 4004, 4147, 4466, 5278, 6892, 8008, 8294, 8932, 10556, 12061, 13784, 16588, 17864, 18953, 21112, 22399, 24122, 29029, 33176, 37906, 44798, 48244, 49967, 58058, 75812, 89596, 96488, 99934, 116116, 132671, 151624, 156793, 179192, 199868, 232232, 246389, 265342, 313586, 349769, 399736, 492778, 530684, 549637, 627172, 649571, 699538, 985556, 1061368, 1099274, 1254344, 1299142, 1399076, 1724723, 1971112, 2198548, 2598284, 2798152, 3449446, 3847459, 4397096, 4546997, 5196568, 6898892, 7145281, 7694918, 9093994, 13797784, 14290562, 15389836, 18187988, 28581124, 30779672, 36375976, 50016967, 57162248, 100033934, 200067868, 400135736]

約数ペア:

[(1, 400135736), (2, 200067868), (4, 100033934), (7, 57162248), (8, 50016967), (11, 36375976), (13, 30779672), (14, 28581124), (22, 18187988), (26, 15389836), (28, 14290562), (29, 13797784), (44, 9093994), (52, 7694918), (56, 7145281), (58, 6898892), (77, 5196568), (88, 4546997), (91, 4397096), (104, 3847459), (116, 3449446), (143, 2798152), (154, 2598284), (182, 2198548), (203, 1971112), (232, 1724723), (286, 1399076), (308, 1299142), (319, 1254344), (364, 1099274), (377, 1061368), (406, 985556), (572, 699538), (616, 649571), (638, 627172), (728, 549637), (754, 530684), (812, 492778), (1001, 399736), (1144, 349769), (1276, 313586), (1508, 265342), (1624, 246389), (1723, 232232), (2002, 199868), (2233, 179192), (2552, 156793), (2639, 151624), (3016, 132671), (3446, 116116), (4004, 99934), (4147, 96488), (4466, 89596), (5278, 75812), (6892, 58058), (8008, 49967), (8294, 48244), (8932, 44798), (10556, 37906), (12061, 33176), (13784, 29029), (16588, 24122), (17864, 22399), (18953, 21112)]