30178225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 47604096

約数和(自身を除く): 17425871

約数列:

[1, 5, 7, 11, 25, 35, 55, 61, 77, 175, 257, 275, 305, 385, 427, 671, 1285, 1525, 1799, 1925, 2135, 2827, 3355, 4697, 6425, 8995, 10675, 14135, 15677, 16775, 19789, 23485, 44975, 70675, 78385, 98945, 109739, 117425, 172447, 391925, 494725, 548695, 862235, 1207129, 2743475, 4311175, 6035645, 30178225]

約数ペア:

[(1, 30178225), (5, 6035645), (7, 4311175), (11, 2743475), (25, 1207129), (35, 862235), (55, 548695), (61, 494725), (77, 391925), (175, 172447), (257, 117425), (275, 109739), (305, 98945), (385, 78385), (427, 70675), (671, 44975), (1285, 23485), (1525, 19789), (1799, 16775), (1925, 15677), (2135, 14135), (2827, 10675), (3355, 8995), (4697, 6425)]