1900987725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3923}}^1$

素因数の和:4027

約数の個数: 96

約数和(自身を含む): 3923748864

約数和(自身を除く): 2022761139

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 71, 75, 91, 105, 175, 195, 213, 273, 325, 355, 455, 497, 525, 923, 975, 1065, 1365, 1491, 1775, 2275, 2485, 2769, 3923, 4615, 5325, 6461, 6825, 7455, 11769, 12425, 13845, 19383, 19615, 23075, 27461, 32305, 37275, 50999, 58845, 69225, 82383, 96915, 98075, 137305, 152997, 161525, 254995, 278533, 294225, 356993, 411915, 484575, 686525, 764985, 835599, 1070979, 1274975, 1392665, 1784965, 1949731, 2059575, 3620929, 3824925, 4177995, 5354895, 5849193, 6963325, 8924825, 9748655, 10862787, 18104645, 20889975, 25346503, 26774475, 29245965, 48743275, 54313935, 76039509, 90523225, 126732515, 146229825, 271569675, 380197545, 633662575, 1900987725]

約数ペア:

[(1, 1900987725), (3, 633662575), (5, 380197545), (7, 271569675), (13, 146229825), (15, 126732515), (21, 90523225), (25, 76039509), (35, 54313935), (39, 48743275), (65, 29245965), (71, 26774475), (75, 25346503), (91, 20889975), (105, 18104645), (175, 10862787), (195, 9748655), (213, 8924825), (273, 6963325), (325, 5849193), (355, 5354895), (455, 4177995), (497, 3824925), (525, 3620929), (923, 2059575), (975, 1949731), (1065, 1784965), (1365, 1392665), (1491, 1274975), (1775, 1070979), (2275, 835599), (2485, 764985), (2769, 686525), (3923, 484575), (4615, 411915), (5325, 356993), (6461, 294225), (6825, 278533), (7455, 254995), (11769, 161525), (12425, 152997), (13845, 137305), (19383, 98075), (19615, 96915), (23075, 82383), (27461, 69225), (32305, 58845), (37275, 50999)]