72489275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 102850560

約数和(自身を除く): 30361285

約数列:

[1, 5, 17, 19, 25, 47, 85, 95, 191, 235, 323, 425, 475, 799, 893, 955, 1175, 1615, 3247, 3629, 3995, 4465, 4775, 8075, 8977, 15181, 16235, 18145, 19975, 22325, 44885, 61693, 75905, 81175, 90725, 152609, 170563, 224425, 308465, 379525, 763045, 852815, 1542325, 2899571, 3815225, 4264075, 14497855, 72489275]

約数ペア:

[(1, 72489275), (5, 14497855), (17, 4264075), (19, 3815225), (25, 2899571), (47, 1542325), (85, 852815), (95, 763045), (191, 379525), (235, 308465), (323, 224425), (425, 170563), (475, 152609), (799, 90725), (893, 81175), (955, 75905), (1175, 61693), (1615, 44885), (3247, 22325), (3629, 19975), (3995, 18145), (4465, 16235), (4775, 15181), (8075, 8977)]