154475180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{997}}^1$

素因数の和:1194

約数の個数: 48

約数和(自身を含む): 332645376

約数和(自身を除く): 178170196

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 127, 244, 254, 305, 508, 610, 635, 997, 1220, 1270, 1994, 2540, 3988, 4985, 7747, 9970, 15494, 19940, 30988, 38735, 60817, 77470, 121634, 126619, 154940, 243268, 253238, 304085, 506476, 608170, 633095, 1216340, 1266190, 2532380, 7723759, 15447518, 30895036, 38618795, 77237590, 154475180]

約数ペア:

[(1, 154475180), (2, 77237590), (4, 38618795), (5, 30895036), (10, 15447518), (20, 7723759), (61, 2532380), (122, 1266190), (127, 1216340), (244, 633095), (254, 608170), (305, 506476), (508, 304085), (610, 253238), (635, 243268), (997, 154940), (1220, 126619), (1270, 121634), (1994, 77470), (2540, 60817), (3988, 38735), (4985, 30988), (7747, 19940), (9970, 15494)]