258339975

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{2897}}^1$

素因数の和:2980

約数の個数: 48

約数和(自身を含む): 452783520

約数和(自身を除く): 194443545

約数列:

[1, 3, 5, 15, 25, 29, 41, 75, 87, 123, 145, 205, 435, 615, 725, 1025, 1189, 2175, 2897, 3075, 3567, 5945, 8691, 14485, 17835, 29725, 43455, 72425, 84013, 89175, 118777, 217275, 252039, 356331, 420065, 593885, 1260195, 1781655, 2100325, 2969425, 3444533, 6300975, 8908275, 10333599, 17222665, 51667995, 86113325, 258339975]

約数ペア:

[(1, 258339975), (3, 86113325), (5, 51667995), (15, 17222665), (25, 10333599), (29, 8908275), (41, 6300975), (75, 3444533), (87, 2969425), (123, 2100325), (145, 1781655), (205, 1260195), (435, 593885), (615, 420065), (725, 356331), (1025, 252039), (1189, 217275), (2175, 118777), (2897, 89175), (3075, 84013), (3567, 72425), (5945, 43455), (8691, 29725), (14485, 17835)]