204030778

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 385228800

約数和(自身を除く): 181198022

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 109, 133, 217, 218, 227, 266, 434, 454, 589, 763, 1178, 1526, 1589, 2071, 3178, 3379, 4123, 4142, 4313, 6758, 7037, 8246, 8626, 14074, 14497, 23653, 24743, 28994, 30191, 47306, 49259, 49486, 60382, 64201, 98518, 128402, 133703, 173201, 267406, 346402, 449407, 470117, 767033, 898814, 935921, 940234, 1534066, 1871842, 3290819, 5369231, 6581638, 10738462, 14573627, 29147254, 102015389, 204030778]

約数ペア:

[(1, 204030778), (2, 102015389), (7, 29147254), (14, 14573627), (19, 10738462), (31, 6581638), (38, 5369231), (62, 3290819), (109, 1871842), (133, 1534066), (217, 940234), (218, 935921), (227, 898814), (266, 767033), (434, 470117), (454, 449407), (589, 346402), (763, 267406), (1178, 173201), (1526, 133703), (1589, 128402), (2071, 98518), (3178, 64201), (3379, 60382), (4123, 49486), (4142, 49259), (4313, 47306), (6758, 30191), (7037, 28994), (8246, 24743), (8626, 23653), (14074, 14497)]