280318988

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{569}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 528595200

約数和(自身を除く): 248276212

約数列:

[1, 2, 4, 29, 31, 58, 62, 116, 124, 137, 274, 548, 569, 899, 1138, 1798, 2276, 3596, 3973, 4247, 7946, 8494, 15892, 16501, 16988, 17639, 33002, 35278, 66004, 70556, 77953, 123163, 155906, 246326, 311812, 492652, 511531, 1023062, 2046124, 2260637, 2416543, 4521274, 4833086, 9042548, 9666172, 70079747, 140159494, 280318988]

約数ペア:

[(1, 280318988), (2, 140159494), (4, 70079747), (29, 9666172), (31, 9042548), (58, 4833086), (62, 4521274), (116, 2416543), (124, 2260637), (137, 2046124), (274, 1023062), (548, 511531), (569, 492652), (899, 311812), (1138, 246326), (1798, 155906), (2276, 123163), (3596, 77953), (3973, 70556), (4247, 66004), (7946, 35278), (8494, 33002), (15892, 17639), (16501, 16988)]