1238721490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1789}}^1\times {\mathrm{4073}}^1$

素因数の和:5886

約数の個数: 32

約数和(自身を含む): 2362757040

約数和(自身を除く): 1124035550

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1789, 3578, 4073, 8146, 8945, 17890, 20365, 30413, 40730, 60826, 69241, 138482, 152065, 304130, 346205, 692410, 7286597, 14573194, 36432985, 72865970, 123872149, 247744298, 619360745, 1238721490]

約数ペア:

[(1, 1238721490), (2, 619360745), (5, 247744298), (10, 123872149), (17, 72865970), (34, 36432985), (85, 14573194), (170, 7286597), (1789, 692410), (3578, 346205), (4073, 304130), (8146, 152065), (8945, 138482), (17890, 69241), (20365, 60826), (30413, 40730)]