865795325

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 1222296768

約数和(自身を除く): 356501443

約数列:

[1, 5, 19, 23, 25, 43, 95, 97, 115, 215, 361, 437, 475, 485, 575, 817, 989, 1075, 1805, 1843, 2185, 2231, 2425, 4085, 4171, 4945, 8303, 9025, 9215, 10925, 11155, 15523, 18791, 20425, 20855, 24725, 35017, 41515, 42389, 46075, 55775, 77615, 79249, 93955, 95933, 104275, 175085, 207575, 211945, 357029, 388075, 396245, 469775, 479665, 805391, 875425, 1059725, 1505731, 1785145, 1822727, 1981225, 2398325, 4026955, 7528655, 8925725, 9113635, 20134775, 34631813, 37643275, 45568175, 173159065, 865795325]

約数ペア:

[(1, 865795325), (5, 173159065), (19, 45568175), (23, 37643275), (25, 34631813), (43, 20134775), (95, 9113635), (97, 8925725), (115, 7528655), (215, 4026955), (361, 2398325), (437, 1981225), (475, 1822727), (485, 1785145), (575, 1505731), (817, 1059725), (989, 875425), (1075, 805391), (1805, 479665), (1843, 469775), (2185, 396245), (2231, 388075), (2425, 357029), (4085, 211945), (4171, 207575), (4945, 175085), (8303, 104275), (9025, 95933), (9215, 93955), (10925, 79249), (11155, 77615), (15523, 55775), (18791, 46075), (20425, 42389), (20855, 41515), (24725, 35017)]