29901725

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:99

約数の個数: 72

約数和(自身を含む): 49371840

約数和(自身を除く): 19470115

約数列:

[1, 5, 7, 17, 19, 23, 25, 35, 85, 95, 115, 119, 133, 161, 175, 323, 391, 425, 437, 475, 529, 575, 595, 665, 805, 1615, 1955, 2185, 2261, 2645, 2737, 2975, 3059, 3325, 3703, 4025, 7429, 8075, 8993, 9775, 10051, 10925, 11305, 13225, 13685, 15295, 18515, 37145, 44965, 50255, 52003, 56525, 62951, 68425, 70357, 76475, 92575, 170867, 185725, 224825, 251275, 260015, 314755, 351785, 854335, 1196069, 1300075, 1573775, 1758925, 4271675, 5980345, 29901725]

約数ペア:

[(1, 29901725), (5, 5980345), (7, 4271675), (17, 1758925), (19, 1573775), (23, 1300075), (25, 1196069), (35, 854335), (85, 351785), (95, 314755), (115, 260015), (119, 251275), (133, 224825), (161, 185725), (175, 170867), (323, 92575), (391, 76475), (425, 70357), (437, 68425), (475, 62951), (529, 56525), (575, 52003), (595, 50255), (665, 44965), (805, 37145), (1615, 18515), (1955, 15295), (2185, 13685), (2261, 13225), (2645, 11305), (2737, 10925), (2975, 10051), (3059, 9775), (3325, 8993), (3703, 8075), (4025, 7429)]