16900975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:89

約数の個数: 96

約数和(自身を含む): 29998080

約数和(自身を除く): 13097105

約数列:

[1, 5, 7, 13, 17, 19, 23, 25, 35, 65, 85, 91, 95, 115, 119, 133, 161, 175, 221, 247, 299, 323, 325, 391, 425, 437, 455, 475, 575, 595, 665, 805, 1105, 1235, 1495, 1547, 1615, 1729, 1955, 2093, 2185, 2261, 2275, 2737, 2975, 3059, 3325, 4025, 4199, 5083, 5525, 5681, 6175, 7429, 7475, 7735, 8075, 8645, 9775, 10465, 10925, 11305, 13685, 15295, 20995, 25415, 28405, 29393, 35581, 37145, 38675, 39767, 43225, 52003, 52325, 56525, 68425, 76475, 96577, 104975, 127075, 142025, 146965, 177905, 185725, 198835, 260015, 482885, 676039, 734825, 889525, 994175, 1300075, 2414425, 3380195, 16900975]

約数ペア:

[(1, 16900975), (5, 3380195), (7, 2414425), (13, 1300075), (17, 994175), (19, 889525), (23, 734825), (25, 676039), (35, 482885), (65, 260015), (85, 198835), (91, 185725), (95, 177905), (115, 146965), (119, 142025), (133, 127075), (161, 104975), (175, 96577), (221, 76475), (247, 68425), (299, 56525), (323, 52325), (325, 52003), (391, 43225), (425, 39767), (437, 38675), (455, 37145), (475, 35581), (575, 29393), (595, 28405), (665, 25415), (805, 20995), (1105, 15295), (1235, 13685), (1495, 11305), (1547, 10925), (1615, 10465), (1729, 9775), (1955, 8645), (2093, 8075), (2185, 7735), (2261, 7475), (2275, 7429), (2737, 6175), (2975, 5681), (3059, 5525), (3325, 5083), (4025, 4199)]