172779530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{20399}}^1$

素因数の和:20435

約数の個数: 48

約数和(自身を含む): 390700800

約数和(自身を除く): 217921270

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 4235, 8470, 20399, 40798, 101995, 142793, 203990, 224389, 285586, 448778, 713965, 1121945, 1427930, 1570723, 2243890, 2468279, 3141446, 4936558, 7853615, 12341395, 15707230, 17277953, 24682790, 34555906, 86389765, 172779530]

約数ペア:

[(1, 172779530), (2, 86389765), (5, 34555906), (7, 24682790), (10, 17277953), (11, 15707230), (14, 12341395), (22, 7853615), (35, 4936558), (55, 3141446), (70, 2468279), (77, 2243890), (110, 1570723), (121, 1427930), (154, 1121945), (242, 713965), (385, 448778), (605, 285586), (770, 224389), (847, 203990), (1210, 142793), (1694, 101995), (4235, 40798), (8470, 20399)]