199417475

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^2\times {\mathrm{157}}^1$

素因数の和:284

約数の個数: 36

約数和(自身を含む): 265314864

約数和(自身を除く): 65897389

約数列:

[1, 5, 23, 25, 47, 115, 157, 235, 575, 785, 1081, 1175, 2209, 3611, 3925, 5405, 7379, 11045, 18055, 27025, 36895, 50807, 55225, 90275, 169717, 184475, 254035, 346813, 848585, 1270175, 1734065, 4242925, 7976699, 8670325, 39883495, 199417475]

約数ペア:

[(1, 199417475), (5, 39883495), (23, 8670325), (25, 7976699), (47, 4242925), (115, 1734065), (157, 1270175), (235, 848585), (575, 346813), (785, 254035), (1081, 184475), (1175, 169717), (2209, 90275), (3611, 55225), (3925, 50807), (5405, 36895), (7379, 27025), (11045, 18055)]