259207025

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{373}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 424062144

約数和(自身を除く): 164855119

約数列:

[1, 5, 7, 11, 19, 25, 35, 55, 77, 95, 133, 175, 209, 275, 361, 373, 385, 475, 665, 1045, 1463, 1805, 1865, 1925, 2527, 2611, 3325, 3971, 4103, 5225, 7087, 7315, 9025, 9325, 12635, 13055, 19855, 20515, 27797, 28721, 35435, 36575, 49609, 63175, 65275, 77957, 99275, 102575, 134653, 138985, 143605, 177175, 248045, 389785, 545699, 673265, 694925, 718025, 942571, 1240225, 1481183, 1948925, 2728495, 3366325, 4712855, 7405915, 10368281, 13642475, 23564275, 37029575, 51841405, 259207025]

約数ペア:

[(1, 259207025), (5, 51841405), (7, 37029575), (11, 23564275), (19, 13642475), (25, 10368281), (35, 7405915), (55, 4712855), (77, 3366325), (95, 2728495), (133, 1948925), (175, 1481183), (209, 1240225), (275, 942571), (361, 718025), (373, 694925), (385, 673265), (475, 545699), (665, 389785), (1045, 248045), (1463, 177175), (1805, 143605), (1865, 138985), (1925, 134653), (2527, 102575), (2611, 99275), (3325, 77957), (3971, 65275), (4103, 63175), (5225, 49609), (7087, 36575), (7315, 35435), (9025, 28721), (9325, 27797), (12635, 20515), (13055, 19855)]